feature(auth): replace clerk.com with custom auth (#103)

* feature(auth): replace clerk.com with custom auth

* minor fixes

* remove notification preferences

* decrease live events interval

fix(api): cookies..

# Conflicts:
#	.gitignore
#	apps/api/src/index.ts
#	apps/dashboard/src/app/providers.tsx
#	packages/trpc/src/trpc.ts

packages/auth/nextjs.ts

@@ -0,0 +1,10 @@
+import { unstable_cache } from 'next/cache';
+import { cookies } from 'next/headers';
+import { validateSessionToken } from './src/session';
+
+export const auth = async () => {
+  const token = (await cookies().get('session')?.value) ?? null;
+  return cachedAuth(token);
+};
+
+export const cachedAuth = unstable_cache(validateSessionToken);