feat: add clerk auth support with convex (#548)

apps/cli/templates/auth/clerk/convex/backend/convex/auth.config.ts.hbs

@@ -0,0 +1,12 @@
+export default {
+	providers: [
+		{
+			// Replace with your own Clerk Issuer URL from your "convex" JWT template
+			// or with `process.env.CLERK_JWT_ISSUER_DOMAIN`
+			// and configure CLERK_JWT_ISSUER_DOMAIN on the Convex Dashboard
+			// See https://docs.convex.dev/auth/clerk#configuring-dev-and-prod-instances
+			domain: process.env.CLERK_JWT_ISSUER_DOMAIN,
+			applicationID: "convex",
+		},
+	],
+};

apps/cli/templates/auth/clerk/convex/backend/convex/privateData.ts.hbs

@@ -0,0 +1,16 @@
+import { query } from "./_generated/server";
+
+export const get = query({
+	args: {},
+	handler: async (ctx) => {
+		const identity = await ctx.auth.getUserIdentity();
+		if (identity === null) {
+			return {
+				message: "Not authenticated",
+			};
+		}
+		return {
+			message: "This is private",
+		};
+	},
+});