automod: add triggers for mod actions

backend/src/plugins/Automod/triggers/unmute.ts

@@ -0,0 +1,24 @@
+import * as t from "io-ts";
+import { automodTrigger } from "../helpers";
+
+// tslint:disable-next-line:no-empty-interface
+interface UnmuteTriggerResultType {}
+
+export const UnmuteTrigger = automodTrigger<UnmuteTriggerResultType>()({
+  configType: t.type({}),
+  defaultConfig: {},
+
+  async match({ context }) {
+    if (context.modAction?.type !== "unmute") {
+      return;
+    }
+
+    return {
+      extra: {},
+    };
+  },
+
+  renderMatchInformation({ matchResult }) {
+    return `User was unmuted`;
+  },
+});