chore: add issue templates

.gitea/issue_template/001-abra-bug.md

@@ -0,0 +1,20 @@
+---
+name: "🐛 Abra bug report"
+about: "Use this template For raising bugs against Abra"
+title: ""
+labels:
+  - bug
+  - abra
+---
+
+## Describe the current behavior
+
+## Steps to reproduce
+
+## Describe the expected behavior
+
+## Any idea how this might be fixed?
+
+## Additional information
+
+<!-- run "abra -v" on the command-line -->

.gitea/issue_template/002-abra-feat.md

@@ -0,0 +1,12 @@
+---
+name: "✨ Abra feature request"
+about: "Use this template for requesting new features for Abra"
+title: ""
+labels:
+  - enhancement
+  - abra
+---
+
+## Describe the problem to be solved
+
+## Describe the solution you would like

.gitea/issue_template/003-docs.md

@@ -0,0 +1,11 @@
+---
+name: "📝 Documentation issue"
+about: "Use this template for documentation-related issues"
+title: ""
+labels:
+  - documentation
+---
+
+## Parts of the documentation concerned
+
+## Describe the desired information/correction

.gitea/issue_template/004-install.md

@@ -0,0 +1,16 @@
+---
+name: "🚀 Installation issue"
+about: "Use this template for build/installation issues"
+title: ""
+labels:
+  - bug
+  - installer
+---
+
+## Describe the problem
+
+## Provide the exact sequence of commands / steps that you executed before running into the problem
+
+## Additional information
+
+- OS: