fix(gateway): load .env from monorepo root via dotenv (#108)

Co-authored-by: Jason Woltje <jason@diversecanvas.com>
Co-committed-by: Jason Woltje <jason@diversecanvas.com>

apps/gateway/package.json

@@ -20,9 +20,9 @@
     "@mosaic/coord": "workspace:^",
     "@mosaic/db": "workspace:^",
     "@mosaic/discord-plugin": "workspace:^",
-    "@mosaic/telegram-plugin": "workspace:^",
     "@mosaic/log": "workspace:^",
     "@mosaic/memory": "workspace:^",
+    "@mosaic/telegram-plugin": "workspace:^",
     "@mosaic/types": "workspace:^",
     "@nestjs/common": "^11.0.0",
     "@nestjs/core": "^11.0.0",
@@ -41,6 +41,7 @@
     "better-auth": "^1.5.5",
     "class-transformer": "^0.5.1",
     "class-validator": "^0.15.1",
+    "dotenv": "^17.3.1",
     "fastify": "^5.0.0",
     "node-cron": "^4.2.1",
     "reflect-metadata": "^0.2.0",