Add workflows related to translation updates

.github/workflows/check-for-extended-ascii-and-utf-bom.yaml

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+# Created by Mesar Hameed (@mhameed)
+
+name: Check that we dont have extended ascii or utf boms in our files
+
+on:
+  pull_request:
+
+jobs:
+  extendedAsciiAndBom:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+    - name: check for files known to cause problems
+      run: find  . -type f | grep -vP "^./.git" | xargs file | grep -iP "bom|extended|iso"
+    - name: 
+      if: failure()
+      uses: unsplash/comment-on-pr@master
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        msg: "Please note that this pull request seems to contain files other than ascii or utf8 without bom."

.github/workflows/checkForTranslations.yaml

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+# https://crontab.guru/crontab.5.html
+
+name: Check for l10n updates
+
+on:
+
+  workflow_dispatch:
+
+  schedule:
+    # * is a special character in YAML so you have to quote this string
+    - cron:  '1 * * * *' # Once every hour (minute 1)
+
+jobs:
+  update-translations:
+    runs-on: windows-latest
+    steps:
+    - name: Checkout main
+      uses: actions/checkout@v2
+
+    - name: Push changes
+      run: |
+        git config --global user.name github-actions
+        git config --global user.email [email protected]
+        git remote add l10n https://github.com/nvdaaddons/addonName # Replace with the repo name, for example, clipContentsDesigner
+        git fetch l10n
+        git reset l10n/stable addon/doc addon/locale
+        git commit -m "Update translations"
+        git pull
+        git push
+
+