feat: add garden module infrastructure (task 70)

- Add MinIO service to compose.yaml with named volume
- Add generic /api/uploads POST+GET route with auth, 5 MB, image/* guards
- Add src/lib/minio.ts singleton client with ensureBucket helper
- Add garden Drizzle schema: containers, plants, care_logs, care_schedules, species_cache
- Register garden module in src/modules/index.ts and src/lib/db.ts
- Apply migration 0015_garden_schema.sql
- Add MINIO_* and PERENUAL_API_KEY to .env.example
- Add task briefs 70-75 for the full garden feature arc
- Add uploads.spec.ts E2E test (RED → GREEN on route auth guard)

src/lib/db.ts

@@ -4,9 +4,16 @@ import * as coreSchema from "@/modules/_core/schema";
 import * as calendarSchema from "@/modules/calendar/schema";
 import * as listsSchema from "@/modules/lists/schema";
 import * as notesSchema from "@/modules/notes/schema";
+import * as gardenSchema from "@/modules/garden/schema";
 
 const client = postgres(process.env["DATABASE_URL"]!);
 
-const schema = { ...coreSchema, ...calendarSchema, ...listsSchema, ...notesSchema };
+const schema = {
+  ...coreSchema,
+  ...calendarSchema,
+  ...listsSchema,
+  ...notesSchema,
+  ...gardenSchema,
+};
 
 export const db = drizzle(client, { schema });