[api/common, init] add common modules.

src/api/common.js

@@ -0,0 +1,14 @@
+import webpack from "./webpack.js"
+
+const common = {
+	React:    webpack.findByProps(
+		"__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED",
+		"createElement"
+	),
+	ReactDOM: webpack.findByProps(
+		"__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED",
+		"hydrate"
+	)
+}
+
+export default common;

src/init.js

@@ -1,11 +1,12 @@
 import * as patcher from "./api/patcher.js"
-import webpack from "./api/webpack.js"
-
+import webpack      from "./api/webpack.js"
+import common       from "./api/common.js"
 
 async function init(obj) {
 	obj.demon = {
 		patcher,
-		webpack
+		webpack,
+		common
 	}
 }