more development info

readme/development.md

@@ -1,5 +1,8 @@
 # Development
 
+Contributions are very welcome, I will gladly review and discuss any merge
+requests.
+
 ## Roadmap
 
 - [x] show a dropdown to select valid devices
@@ -36,4 +39,26 @@ coverage combine && coverage report -m
 ```
 
 To read events, `evtest` is very helpful. Add `-d` to `key-mapper-gtk`
-to get debug output.
+to get debug output.
+
+## Releasing
+
+ssh/login into a ubuntu machine
+
+```bash
+./scripts/build.sh
+```
+
+this will generate `key-mapper/deb_dist/python3-key-mapper_0.3.1-1_all.deb`
+depending on the version configured in setup.py
+
+## Badges
+
+```bash
+sudo pip install git+https://github.com/jongracecox/anybadge
+sudo pip install git+https://github.com/dbrgn/coverage-badge
+./scripts/badges.sh
+```
+
+new badges, if needed, will be created in `readme/` and they
+just need to be commited.