add: create supabase client

src/services/supabaseClient.ts

@@ -0,0 +1,10 @@
+import { SUPABASE_KEY, SUPABASE_URL } from '@env';
+import { createClient } from '@supabase/supabase-js';
+
+if (!SUPABASE_URL || !SUPABASE_KEY) {
+	throw new Error('Missing Supabase environment variables');
+}
+
+const supabase = createClient(SUPABASE_URL, SUPABASE_KEY);
+
+export default supabase;