Merge branch 'bugfix/bugfix-UNICADOpackage-link' into 'develop'

Corrected gitlab ssh link

See merge request !6

docs/developer/get-source-code.md

@@ -18,7 +18,7 @@ When you clone the repository for the first time use this command:
 === "Gitlab"
 
     ```{.sh .copy}
-    git clone --recurse-submodules git@git.rwth-aachen.de/unicado/unicado-package.git
+    git clone --recurse-submodules git@git.rwth-aachen.de:unicado/unicado-package.git
     ```
 
 === "Phabricator"