plugin API (#598)

* temp: plugin API

* fix a bug in the replay handler and rename some type names.

* update integration test

* improve plugin types and handle legacy log data

* use different naming in record and replay bundles

* delete unreferenced types

Co-authored-by: Lucky Feng <294889365@qq.com>

typings/replay/index.d.ts

@@ -50,8 +50,6 @@ export declare class Replayer {
     private applyMutation;
     private applyScroll;
     private applyInput;
-    private formatMessage;
-    private getConsoleLogger;
     private legacy_resolveMissingNode;
     private moveAndHover;
     private drawMouseTail;