add more complex fixture and fake node_module

Author: TheLarkInn

webpack/webpack-embedded-dependencies-plugin/src/test/.gitignore

@@ -1 +1,3 @@
-!node_modules
+!node_modules
+!dist
+!lib

webpack/webpack-embedded-dependencies-plugin/src/test/fixtures/depednencies-with-workspace-dependencies/src/index.js

@@ -0,0 +1,14 @@
+import mod from 'fake-package-mit-license';
+import { TreePattern, TreeNode } from '@rushstack/tree-pattern';
+
+const pattern1 = new TreePattern({
+  a: [
+    1,
+    2,
+    TreePattern.tag('branch', {
+      b: []
+    })
+  ]
+});
+
+console.log(pattern1, mod);