Remove sims when the Discord user leaves

src/db/migrations/0036-app-user-install.sql

@@ -0,0 +1,10 @@
+BEGIN TRANSACTION;
+
+CREATE TABLE "app_user_install" (
+	"guild_id"	TEXT NOT NULL,
+	"app_bot_id"	TEXT NOT NULL,
+	"user_id"	TEXT NOT NULL,
+	PRIMARY KEY ("guild_id", "app_bot_id", "user_id")
+) WITHOUT ROWID;
+
+COMMIT;

src/db/orm-defs.d.ts

@@ -1,4 +1,10 @@
 export type Models = {
+	app_user_install: {
+		guild_id: string
+		app_bot_id: string
+		user_id: string
+	}
+
 	auto_emoji: {
 		name: string
 		emoji_id: string