feat: make the repo commitizen friendly

closes #20

.gitignore

+node_modules

README.md

-# rdd-technical-reference
+# RDD Technical Reference
 Guidelines and references for software development in RDD
 
 To compile in markdown, use
@@ -6,3 +6,9 @@ To compile in markdown, use
     pandoc --template=rdd.latex rdd-technical-reference.md -o rdd-technical-reference.pdf
 
 Based on https://dariah-eric.github.io/technical-reference/.
+
+
+## Contributing with commitizen
+
+This repo is designed to be used with **commitizen** for which we provide a configuration in `package.json`.
+For installing the commitizen-cli see [commitizen's repo](https://github.com/commitizen/cz-cli)

package.json

+{
+  "name": "technical-reference",
+  "version": "1.0.0",
+  "description": "A document describing how the software development process works in Göttingen State and University Library's Research and Development Department.",
+  "repository": {
+    "type": "git",
+    "url": "https://gitlab.gwdg.de/fe/technical-reference.git"
+  },
+  "license": "MIT",
+  "devDependencies": {
+    "cz-conventional-changelog": "^3.2.0"
+  },
+  "config": {
+    "commitizen": {
+      "path": "./node_modules/cz-conventional-changelog"
+    }
+  }
+}