feat(20-01): add tags table, tag service/route, register global-items route

- Create tags table in schema with id, name (unique), createdAt
- Generate migration for tags table
- Create tag.service.ts with getAllTags (id+name, alphabetical order)
- Create tags.ts route with GET / handler
- Register /api/global-items and /api/tags routes in index.ts
- Add auth skip for GET /api/tags and GET /api/global-items

drizzle-pg/0002_square_pyro.sql

@@ -0,0 +1,6 @@
+CREATE TABLE "tags" (
+	"id" serial PRIMARY KEY NOT NULL,
+	"name" text NOT NULL,
+	"created_at" timestamp DEFAULT now() NOT NULL,
+	CONSTRAINT "tags_name_unique" UNIQUE("name")
+);

drizzle-pg/meta/_journal.json

@@ -15,6 +15,13 @@
       "when": 1775386658636,
       "tag": "0001_tough_boomerang",
       "breakpoints": true
+    },
+    {
+      "idx": 2,
+      "version": "7",
+      "when": 1775454835904,
+      "tag": "0002_square_pyro",
+      "breakpoints": true
     }
   ]
 }