Saving GTFS-RT data to Parquet

package.json

@@ -4,8 +4,10 @@
   "description": "Real-time bus tracking for Skopje public transport",
   "main": "server.ts",
   "scripts": {
-    "start": "bun run server.ts",
-    "track": "bun run background-tracker.ts"
+    "start": "bun run bus-tracker-json.ts",
+    "tracker": "bun run bus-tracker-json.ts",
+    "track": "bun run background-tracker.ts",
+    "typecheck": "bunx tsc --noEmit"
   },
   "keywords": [
     "skopje",
@@ -19,8 +21,10 @@
   "author": "",
   "license": "MIT",
   "dependencies": {
+    "@aws-sdk/client-s3": "^3.888.0",
     "express": "^4.18.2",
-    "pg": "^8.18.0",
+    "hyparquet": "^1.25.1",
+    "hyparquet-writer": "^0.13.0",
     "protobufjs": "^7.5.4"
   },
   "optionalDependencies": {
@@ -29,9 +33,7 @@
   "devDependencies": {
     "@types/express": "^4.17.21",
     "@types/node": "^20.10.0",
-    "@types/pg": "^8.11.0",
     "protobufjs-cli": "^2.0.0",
-    "ts-node": "^10.9.1",
     "typescript": "^5.9.3"
   }
 }