feat: add core

.gitlab/issue_templates/bug.md

@@ -0,0 +1,13 @@
+## What's wrong with the current model?
+
+???
+
+## How should the model be instead?
+
+???
+
+## Why should the model be that way?
+
+??? - Describe use case!
+
+/label ~bug ~meeting

.gitlab/issue_templates/change.md

@@ -0,0 +1,17 @@
+## What needs to be remodelled?
+
+??? - Describe use case!
+
+## How is the current model not sufficient?
+
+???
+
+## Which changes are necessary?
+
+???
+
+## Do the proposed changes impact current use cases?
+
+???
+
+/label ~feature ~meeting

.gitlab/issue_templates/feature.md

@@ -0,0 +1,15 @@
+## What needs to be modelled?
+
+???
+
+## Why is a new model necessary?
+
+??? - Describe use case!
+
+## Dependencies, issues, features that need to be resolved beforehand
+
+ 1. ???
+ 2. ???
+ 3. ...
+
+/label ~feature ~meeting