doc: add contributing (#26)

* doc: add contributing

README.md

@@ -2,6 +2,10 @@
 
 Android repository for [Dialetus](https://github.com/mvfsillva/dialetus)
 
+This project is used to experiment kotlin Coroutines and flow. Applying some abstractions
+created by [Ubiratan](https://github.com/ubiratansoares) and the nice sample project
+[Norris](https://github.com/dotanuki-labs/norris)
+
 [Api Documentation](https://github.com/mvfsillva/dialetus-service#-api)
 
 ## Building and Running
@@ -36,4 +40,7 @@ This project leverages on
 - Kotlinx.Serialization for automatic JSON handling
 - OkHttp4 + Retrofit for networking over HTTP
 
-
+## Following the project
+- [Issues](https://github.com/jcaiqueoliveira/dialetus/issues/)
+- [Roadmap](https://github.com/jcaiqueoliveira/dialetus/projects/)
+- [Contributing](./documentation/semantic-git.md)

documentation/semantic-git.md

@@ -0,0 +1,26 @@
+# Semantic Commit Messages
+
+Format: `<type>(<scope>): <subject>`
+
+`<scope>` is optional
+
+## Example
+
+```
+feat: add splash activity
+^--^  ^------------^
+|     |
+|     +-> Summary in present tense.
+|
++-------> Type: chore, docs, feat, fix, refactor, style, or test.
+```
+
+More Examples:
+
+- `feat`: (new feature for the user, not a new feature for build script)
+- `fix`: (bug fix for the user, not a fix to a build script)
+- `docs`: (changes to the documentation)
+- `style`: (formatting, missing semi colons, etc; no production code change)
+- `refactor`: (refactoring production code, eg. renaming a variable)
+- `test`: (adding missing tests, refactoring tests; no production code change)
+- `chore`: (updating grunt tasks etc; no production code change)