Translations workflow and tools (#768)

* Translations workflow and tools

* improved the name of the workflow

* need this commit to trigger the workflow for the first time

* swift tools can now run on CI

* only strings and stringsdict will be committed

* fixed a workflow issue

* starting the workflow to save it

* fixing downgrade issues

* fixing URL usage

* install localazy

* fixing add-paths typo

* downloaded strings

* removing on push trigger

* Update Tools/Sources/DownloadTranslations.swift

Co-authored-by: Doug <6060466+pixlwave@users.noreply.github.com>

* Added locheck for string verification

* code formatting improvement

* Update Tools/Sources/Locheck.swift

Co-authored-by: Doug <6060466+pixlwave@users.noreply.github.com>

* pr suggestion

---------

Co-authored-by: Doug <6060466+pixlwave@users.noreply.github.com>

.github/workflows/translations-pr.yml

@@ -0,0 +1,37 @@
+name: Open Translations PR
+on:
+  schedule:
+    # At 00:00 on every Monday UTC
+    - cron: '0 0 * * 1'
+  workflow_dispatch:
+
+jobs:
+  open-translations-pr:
+    runs-on: macos-12
+    # Skip in forks
+    if: github.repository == 'vector-im/element-x-ios'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup Localazy and Mint
+        run: brew install mint localazy/tools/localazy
+
+      - name: Download All Translations
+        run: swift run tools download-strings --all-languages
+
+      - name: Verify Translations
+        run: swift run tools locheck
+
+      - name: Create PR for Translations
+        uses: peter-evans/create-pull-request@v5
+        with:
+          commit-message: Translations update
+          title: Translations update
+          body: |
+            - Translations update
+          branch: translations/update
+          base: develop
+          add-paths: |
+            *.strings
+            *.stringsdict