Move tolgee downloader into this repository and refactor translation storage architecture

downloader/package.json

@@ -0,0 +1,19 @@
+{
+  "name": "tolgee_downloader",
+  "version": "1.0.0",
+  "description": "",
+  "scripts": {
+    "classic_era": "ts-node index.ts classic_era 6",
+    "retail": "ts-node index.ts retail 7"
+  },
+  "dependencies": {
+    "axios": "^1.7.2",
+    "dotenv": "^16.4.5",
+    "typescript": "5.4.2"
+  },
+  "devDependencies": {
+    "prettier": "3.2.5",
+    "ts-node": "10.9.2"
+  },
+  "private": true
+}