Add automatic Crowdin synchronization

.github/workflows/crowdin_prep.yml

@@ -0,0 +1,33 @@
+# Prepare source texts & upload them to Crowdin
+
+name: Crowdin Source Texts Upload
+
+# on change to the English texts
+on:
+  push:
+    branches:
+      - master
+    paths:
+      - 'src/drivers/libretro/libretro_core_options.h'
+
+jobs:
+  upload_source_file:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup Java JDK
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+
+      - name: Setup Python
+        uses: actions/setup-python@v2
+
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Upload Source
+        shell: bash
+        env:
+          CROWDIN_API_KEY: ${{ secrets.CROWDIN_API_KEY }}
+        run: |
+          python3 intl/upload_workflow.py $CROWDIN_API_KEY "libretro-fceumm" "src/drivers/libretro/libretro_core_options.h"

.github/workflows/crowdin_translate.yml

@@ -0,0 +1,46 @@
+# Download translations form Crowdin & Recreate libretro_core_options_intl.h
+
+name: Crowdin Translation Integration
+
+on:
+  schedule:
+  # please choose a random time & weekday to avoid all repos synching at the same time
+    - cron: '20 1 * * 5'  # Fridays at 1:20 AM, UTC
+
+jobs:
+  create_intl_file:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Setup Java JDK
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+
+      - name: Setup Python
+        uses: actions/setup-python@v2
+
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          persist-credentials: false # otherwise, the token used is the GITHUB_TOKEN, instead of your personal access token.
+          fetch-depth: 0 # otherwise, there would be errors pushing refs to the destination repository.
+
+      - name: Create intl file
+        shell: bash
+        env:
+          CROWDIN_API_KEY: ${{ secrets.CROWDIN_API_KEY }}
+        run: |
+          python3 intl/download_workflow.py $CROWDIN_API_KEY "libretro-fceumm" "src/drivers/libretro/libretro_core_options_intl.h"
+
+      - name: Commit files
+        run: |
+          git config --local user.email "github-actions@github.com"
+          git config --local user.name "github-actions[bot]"
+          git add intl/*_workflow.py "src/drivers/libretro/libretro_core_options_intl.h"
+          git commit -m "Fetch translations & Recreate libretro_core_options_intl.h"
+
+      - name: GitHub Push
+        uses: ad-m/github-push-action@v0.6.0
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          branch: ${{ github.ref }}