wrote commands.md with useful commands (Closes #11)

Documents/COMMANDS.md

@@ -0,0 +1,40 @@
+# Commands 
+
+This document include a selection off git commands, that are used when working together. Simply created to make it easier to make sure it is beeing done correctly. 
+
+## Creating a new branch
+
+```bash
+git checkout main
+git pull
+git checkout -b feature/issue-#number-description
+```
+
+## Saving and pushing changes
+
+```bash
+git add .
+git commit -m "short description of what was done (Closes #number)"
+git push -u origin feature/issue-#number-description
+```
+
+## Updating your local main branch
+
+```bash
+git checkout main
+git pull
+```
+
+## Delete old branch
+
+```bash
+git checkout main
+git pull
+git branch -d feature/issue-#number-description
+```
+
+## View local branches
+
+```bash
+git branch
+```