init codebase

api/resources/migrations/019-create-bans.up.sql

@@ -0,0 +1,8 @@
+CREATE TABLE IF NOT EXISTS bans (
+  community_id  uuid        NOT NULL REFERENCES communities (id) ON DELETE CASCADE,
+  user_id       uuid        NOT NULL REFERENCES users (id) ON DELETE CASCADE,
+  reason        text,
+  banned_by     uuid        REFERENCES users (id),
+  created_at    timestamptz DEFAULT now(),
+  PRIMARY KEY (community_id, user_id)
+);