feat: store punished users

database/schema.sql

@@ -2,4 +2,10 @@ CREATE TABLE IF NOT EXISTS message_patterns (
     id INTEGER PRIMARY KEY AUTOINCREMENT,
     regex TEXT NOT NULL,
     response TEXT NOT NULL
-)
+);
+
+CREATE TABLE IF NOT EXISTS user_roles (
+    user_id INTEGER PRIMARY KEY,
+    role_id INTEGER NOT NULL,
+    date_assigned TEXT
+);