add migration for feedback table

supabase/migrations/20240823182342_feedback_table.sql

@@ -0,0 +1,16 @@
+-- We use this to store feedback from our users
+CREATE TABLE IF NOT EXISTS public.feedback (
+    id SERIAL PRIMARY KEY,
+    email VARCHAR(255) NOT NULL,
+    feedback_text TEXT NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Grant permissions on public.feedback
+ALTER TABLE IF EXISTS public.feedback OWNER TO postgres;
+GRANT ALL ON TABLE public.feedback TO authenticated;
+GRANT ALL ON TABLE public.feedback TO service_role;
+GRANT ALL ON TABLE public.feedback TO postgres;
+
+-- Setup row-level security on public.feedback
+ALTER TABLE public.feedback enable row level security;