Support rebuild event from dev server

Author: antgel

src/Eleventy.js

@@ -952,6 +952,8 @@ Arguments:
     benchmark.before();
     await this._initWatchDependencies();
     benchmark.after();
+
+    eventBus.on("eleventyDevServer.rebuild", async () => await this._watch());
   }
 
   get isEsm() {

src/EleventyServe.js

@@ -3,6 +3,7 @@ import EleventyDevServer from "@11ty/eleventy-dev-server";
 import debugUtil from "debug";
 
 import EleventyBaseError from "./EleventyBaseError.js";
+import EventBus from "./EventBus.js";
 import ConsoleLogger from "./Util/ConsoleLogger.js";
 import PathPrefixer from "./Util/PathPrefixer.js";
 import merge from "./Util/Merge.js";
@@ -165,6 +166,10 @@ class EleventyServe {
     // Static method `getServer` was already checked in `getServerModule`
     this._server = serverModule.getServer("eleventy-server", this.outputDir, this.options);
 
+    if ("setEventBus" in this._server) {
+      this._server.setEventBus(EventBus);
+    }
+
     this.setAliases(this._aliases);
   }