feat: health check and stats endpoints (#290)

packages/api/src/root.ts

@@ -3,6 +3,7 @@ import { boardRouter } from "./routers/board";
 import { cardRouter } from "./routers/card";
 import { checklistRouter } from "./routers/checklist";
 import { feedbackRouter } from "./routers/feedback";
+import { healthRouter } from "./routers/health";
 import { importRouter } from "./routers/import";
 import { integrationRouter } from "./routers/integration";
 import { labelRouter } from "./routers/label";
@@ -18,6 +19,7 @@ export const appRouter = createTRPCRouter({
   card: cardRouter,
   checklist: checklistRouter,
   feedback: feedbackRouter,
+  health: healthRouter,
   label: labelRouter,
   list: listRouter,
   member: memberRouter,