src: first layout, many dependencies

- setup query templates and potential auth flow/state
- basic server & channel lists
- guessed types for db and apis
- user panel / settings templates
- many steps left

concord-client/src/lib/utils.ts

@@ -0,0 +1,6 @@
+import { clsx, type ClassValue } from "clsx"
+import { twMerge } from "tailwind-merge"
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs))
+}