Put everything in src directories

packages/lib/src/Emitter.ts

@@ -0,0 +1,10 @@
+import {EventEmitter} from 'events'
+
+export class Emitter extends EventEmitter {
+  emit(type: string | number, ...args: any[]) {
+    const a = super.emit(type, ...args)
+    const b = super.emit('*', type, ...args)
+
+    return a && b
+  }
+}