Specify supported languages for the Microsoft Store version (appx) (#3873)

appveyor.yml

@@ -51,9 +51,9 @@ build_script:
 - ps: >-
     cd newIDE\electron-app
 
-    node --max-old-space-size=3072 scripts/build.js --win nsis --publish=never
+    node --max-old-space-size=3072 scripts/build.js --win nsis
 
-    Remove-Item -Path Env:CSC_LINK ; Remove-Item -Path Env:CSC_KEY_PASSWORD ; node scripts/build.js --skip-app-build --win appx --publish=never
+    Remove-Item -Path Env:CSC_LINK ; Remove-Item -Path Env:CSC_KEY_PASSWORD ; node scripts/build.js --skip-app-build --win appx
 
     cd ..\..
 

newIDE/electron-app/package.json

@@ -36,14 +36,28 @@
       "entitlements": "./build/entitlements.mac.inherit.plist"
     },
     "win": {
-      "executableName": "GDevelop"
+      "executableName": "GDevelop",
+      "publish": null
     },
     "appx": {
       "publisherDisplayName": "GDevelop game engine",
       "displayName": "GDevelop",
       "publisher": "CN=B13CB8D3-97AA-422C-A394-0EE51B9ACAD3",
       "identityName": "GDevelopgameengine.GDevelop",
-      "backgroundColor": "#524F9C"
+      "backgroundColor": "#524F9C",
+      "publish": null,
+      "languages": [
+        "EN-US",
+        "ZH-HANS",
+        "DE",
+        "IT",
+        "JA",
+        "PT-BR",
+        "RU",
+        "ES",
+        "FR",
+        "SL"
+      ]
     },
     "afterSign": "scripts/electron-builder-after-sign.js",
     "publish": [