Validate all links every day at 00:00 (#1414)

Co-authored-by: Yann Bertrand <5855339+yannbertrand@users.noreply.github.com>

.github/workflows/validate_links.yml

+name: "Validate links"
+
+on:
+  schedule:
+    - cron:  '0 0 * * *'
+
+env:
+  FORMAT_FILE: README.md
+
+jobs:
+  test:
+    name: 'Validate README.md'
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Validate all links from README.md
+        run: build/validate_links.sh ${FORMAT_FILE}

build/validate_links.py

@@ -33,9 +33,10 @@ def validate_links(links):
             errors.append("TMO: " + link)
         except socket.error as socketerror:
             errors.append("SOC: {} : {}".format(socketerror, link))
+        except Exception as e:
+            errors.append("ERR: {} : {}".format(e, link))
     return errors
 
-
 if __name__ == "__main__":
     num_args = len(sys.argv)
     if num_args < 2: