Add a workflow, to update placeholder.ts automatically

- Update french translation
- add ts2qm.py script

.github/workflows/push_tr_file.yml

@@ -0,0 +1,30 @@
+name: Translations
+
+on:
+  push:
+    branches: [ main ]
+    paths:
+      - 'rare/languages/placeholder.ts'
+  workflow_dispatch:
+
+jobs:
+
+  appimage:
+    runs-on: ubuntu-20.04
+    env:
+      TX_TOKEN: ${{ secrets.TX_TOKEN }}
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-python@v2
+        with:
+          python-version: '3.9'
+      - name: install Deps
+        run: |
+          sudo apt update
+          sudo apt install python3 python3-pip python3-setuptools
+          pip install transifex-client
+
+      - name: push file
+        run: tx push -s

.tx/config

@@ -0,0 +1,10 @@
+[main]
+host = https://www.transifex.com
+
+[rare.placeholder-ts]
+file_filter = rare/languages/<lang>.ts
+minimum_perc = 50
+source_file = rare/languages/placeholder.ts
+source_lang = en_US
+type = QT
+

scripts/ts2qm.py

@@ -0,0 +1,5 @@
+import os
+
+for f in os.listdir("../rare/languages/"):
+    if f.endswith(".ts") and f != "placeholder.ts":
+        os.system("lrelease ../rare/languages/" + f)