Add status of translations (#436)

TRANSLATIONS.md

+# Translations
+
+**Thank you to our awesome translation maintainers!**
+
+## Contributing
+
+See the [Contributing Guidelines](CONTRIBUTING.md).
+
+## Translation Statuses
+
+* 🎉 **Live**: Merged into `master` branch
+* ⏳ **In Progress**: Under active translation for eventual merge into `master` branch
+* ❗ **Stalled***: Needs an active maintainer ✋
+
+**Within the past 2 months, there has been 1) No active work in the translation fork, and 2) No discussions from previous maintainer(s) in the discussion thread.*
+
+Languages not listed here have not been started, [contribute](CONTRIBUTING.md)!
+
+Languages are grouped by status and are listed in alphabetical order.
+
+## Live
+
+### 🎉 Japanese
+
+* [README-ja.md](README-ja.md)
+* Maintainer(s): [@tsukukobaan](https://github.com/tsukukobaan) 👏
+* Discussion Thread: https://github.com/donnemartin/system-design-primer/issues/100
+
+### 🎉 Simplified Chinese
+
+* [zh-Hans.md](README-zh-Hans.md)
+* Maintainer(s): [@sqrthree](https://github.com/sqrthree) 👏
+* Discussion Thread: https://github.com/donnemartin/system-design-primer/issues/38
+
+### 🎉 Traditional Chinese
+
+* [README-zh-TW.md](README-zh-TW.md)
+* Maintainer(s): [@kevingo](https://github.com/kevingo) 👏
+* Discussion Thread: https://github.com/donnemartin/system-design-primer/issues/88
+
+## In Progress
+
+### ⏳ Korean
+
+* Maintainer(s): [@bonomoon](https://github.com/bonomoon), [@mingrammer](https://github.com/mingrammer) 👏
+* Discussion Thread: https://github.com/donnemartin/system-design-primer/issues/102
+* Translation Fork: https://github.com/bonomoon/system-design-primer, https://github.com/donnemartin/system-design-primer/pull/103
+
+### ⏳ Russian
+
+* Maintainer(s): [@voitau](https://github.com/voitau), [@DmitryOlkhovoi](https://github.com/DmitryOlkhovoi) 👏
+* Discussion Thread: https://github.com/donnemartin/system-design-primer/issues/87
+* Translation Fork: https://github.com/voitau/system-design-primer/blob/master/README-ru.md
+
+## Stalled
+
+**Notes**:
+
+* If you're able to commit to being an active maintainer for a language, let us know in the discussion thread for your language and update this file with a pull request.
+    * If you're listed here as a "Previous Maintainer" but can commit to being an active maintainer, also let us know.
+* See the [Contributing Guidelines](CONTRIBUTING.md).
+
+### ❗ Arabic
+
+* Maintainer(s): **Help Wanted** ✋
+    * Previous Maintainer(s): [@aymns](https://github.com/aymns)
+* Discussion Thread: https://github.com/donnemartin/system-design-primer/issues/170
+* Translation Fork: https://github.com/aymns/system-design-primer/blob/develop/README-ar.md
+
+### ❗ Bengali
+
+* Maintainer(s): **Help Wanted** ✋
+    * Previous Maintainer(s): [@nutboltu](https://github.com/nutboltu)
+* Discussion Thread: https://github.com/donnemartin/system-design-primer/issues/220
+* Translation Fork: https://github.com/donnemartin/system-design-primer/pull/240
+
+### ❗ Brazilian Portuguese
+
+* Maintainer(s): **Help Wanted** ✋
+    * Previous Maintainer(s): [@IuryAlves](https://github.com/IuryAlves)
+* Discussion Thread: https://github.com/donnemartin/system-design-primer/issues/40
+* Translation Fork: https://github.com/IuryAlves/system-design-primer, https://github.com/donnemartin/system-design-primer/pull/67
+
+### ❗ French
+
+* Maintainer(s): **Help Wanted** ✋
+    * Previous Maintainer(s): [@spuyet](https://github.com/spuyet)
+* Discussion Thread: https://github.com/donnemartin/system-design-primer/issues/250
+* Translation Fork: https://github.com/spuyet/system-design-primer/blob/add-french-translation/README-fr.md
+
+### ❗ German
+
+* Maintainer(s): **Help Wanted** ✋
+    * Previous Maintainer(s): [@Allaman](https://github.com/Allaman)
+* Discussion Thread: https://github.com/donnemartin/system-design-primer/issues/186
+* Translation Fork: None
+
+### ❗ Greek
+
+* Maintainer(s): **Help Wanted** ✋
+    * Previous Maintainer(s): [@Belonias](https://github.com/Belonias)
+* Discussion Thread: https://github.com/donnemartin/system-design-primer/issues/130
+* Translation Fork: None
+
+### ❗ Hebrew
+
+* Maintainer(s): **Help Wanted** ✋
+    * Previous Maintainer(s): [@EladLeev](https://github.com/EladLeev)
+* Discussion Thread: https://github.com/donnemartin/system-design-primer/issues/272
+* Translation Fork: https://github.com/EladLeev/system-design-primer/tree/he-translate
+
+### ❗ Italian
+
+* Maintainer(s): **Help Wanted** ✋
+    * Previous Maintainer(s): [@pgoodjohn](https://github.com/pgoodjohn)
+* Discussion Thread: https://github.com/donnemartin/system-design-primer/issues/104
+* Translation Fork: https://github.com/pgoodjohn/system-design-primer
+
+### ❗ Persian
+
+* Maintainer(s): **Help Wanted** ✋
+    * Previous Maintainer(s): [@hadisinaee](https://github.com/hadisinaee)
+* Discussion Thread: https://github.com/donnemartin/system-design-primer/pull/112
+* Translation Fork: https://github.com/donnemartin/system-design-primer/pull/112
+
+### ❗ Spanish
+
+* Maintainer(s): **Help Wanted** ✋
+    * Previous Maintainer(s): [@eamanu](https://github.com/eamanu)
+* Discussion Thread: https://github.com/donnemartin/system-design-primer/issues/136
+* Translation Fork: https://github.com/donnemartin/system-design-primer/pull/189
+
+### ❗ Thai
+
+* Maintainer(s): **Help Wanted** ✋
+    * Previous Maintainer(s): [@iphayao](https://github.com/iphayao)
+* Discussion Thread: https://github.com/donnemartin/system-design-primer/issues/187
+* Translation Fork: https://github.com/donnemartin/system-design-primer/pull/221
+
+### ❗ Turkish
+
+* Maintainer(s): **Help Wanted** ✋
+    * Previous Maintainer(s): [@hwclass](https://github.com/hwclass), [@canerbaran](https://github.com/canerbaran), [@emrahtoy](https://github.com/emrahtoy)
+* Discussion Thread: https://github.com/donnemartin/system-design-primer/issues/39
+* Translation Fork: https://github.com/donnemartin/system-design-primer/pull/239
+
+### ❗ Ukrainian
+
+* Maintainer(s): **Help Wanted** ✋
+    * Previous Maintainer(s): [@Kietzmann](https://github.com/Kietzmann), [@Acarus](https://github.com/Acarus)
+* Discussion Thread: https://github.com/donnemartin/system-design-primer/issues/248
+* Translation Fork: https://github.com/Acarus/system-design-primer
+
+### ❗ Vietnamese
+
+* Maintainer(s): **Help Wanted** ✋
+    * Previous Maintainer(s): [@tranlyvu](https://github.com/tranlyvu), [@duynguyenhoang](https://github.com/duynguyenhoang)
+* Discussion Thread: https://github.com/donnemartin/system-design-primer/issues/127
+* Translation Fork: https://github.com/donnemartin/system-design-primer/pull/241, https://github.com/donnemartin/system-design-primer/pull/327
+
+## Not Started
+
+Languages not listed here have not been started, [contribute](CONTRIBUTING.md)!