refactor: convert to bun workspaces monorepo

- Move web app into apps/web/
- Create packages/shared/ with shared types
- Create plugins/decky-vault/ scaffold
- Root package.json manages workspaces only

apps/web/drizzle/0022_married_zeigeist.sql

@@ -0,0 +1,17 @@
+CREATE TABLE "storage_objects" (
+	"id" text PRIMARY KEY NOT NULL,
+	"key" text NOT NULL,
+	"bucket" text NOT NULL,
+	"size" integer NOT NULL,
+	"mime_type" text NOT NULL,
+	"entity_type" text NOT NULL,
+	"entity_id" text,
+	"uploaded_by" text NOT NULL,
+	"created_at" timestamp DEFAULT now() NOT NULL,
+	"last_accessed_at" timestamp,
+	"is_orphaned" boolean DEFAULT false NOT NULL
+);
+--> statement-breakpoint
+ALTER TABLE "storage_objects" ADD CONSTRAINT "storage_objects_uploaded_by_user_id_fk" FOREIGN KEY ("uploaded_by") REFERENCES "public"."user"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
+CREATE INDEX "storage_entity_idx" ON "storage_objects" USING btree ("entity_type","entity_id");--> statement-breakpoint
+CREATE INDEX "storage_key_idx" ON "storage_objects" USING btree ("key");