feat(api/api): create initial user route

libs/api/src/index.ts

@@ -1 +1,14 @@
+import { userRouter } from './routes/user'
+import { createCallerFactory, createRouter } from './trpc'
+
 export * from './lib/api'
+
+export const appRouter = createRouter({
+  user: userRouter,
+})
+
+export type AppRouter = typeof appRouter
+
+export const createCaller = createCallerFactory(appRouter)
+
+export { createTRPCContext } from './trpc'

libs/api/src/routes/user/index.ts

@@ -0,0 +1,9 @@
+import { createRouter, publicProcedure } from '../../trpc'
+
+export const userRouter = createRouter({
+  hello: publicProcedure.query(({ ctx }: { ctx: any }) => {
+    return {
+      message: `Hello, ${ctx?.user?.name ?? 'world'} from tRPC!`,
+    }
+  }),
+})