Merge pull request #2 from maikmb/feature/entities-with-mermaid

feat(mermaid-entities): implement entities doc with mermaid

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@herbsjs/herbsshelf",
-  "version": "4.0.0",
+  "version": "3.1.1",
   "description": "A self-generate documentation about the usecases (buchu) of herbsJS",
   "main": "./src/shelf.js",
   "scripts": {