chore: update contributing with link to guidelines + add contributors section

Author: Anty0

.junie/guidelines.md

@@ -39,9 +39,12 @@ The project consists of several modules:
    ```bash
    ./gradlew publishToMavenLocal
    ```
+   You may need to disable signing temporarily as it is enforced by default.
 
 ## Testing Information
 
+Testing infrastructure is in a relatively ok state, but there are no tests at the moment.
+
 ### Running Tests
 
 Tests can be run using the Gradle test task:
@@ -109,7 +112,7 @@ class SimpleTest {
 
 - The project follows Kotlin coding conventions
 - Use 4 spaces for indentation
-- Maximum line length is 120 characters
+- The maximum line length is 120 characters (not fully enforced at the moment)
 - Use trailing commas in parameter lists and collection literals that span multiple lines
 
 ### Multiplatform Considerations

README.md

@@ -138,10 +138,19 @@ For complete examples of how to use the Tolgee SDK, check out the demo projects:
 ## Contributing
 
 Contributions are welcome! Please feel free to submit a Pull Request.
+Check out [HACKING.md](.junie/guidelines.md) for some information about the project internals and information about the workflow.
 
 ## License
 
 This project is licensed under the Apache License 2.0—see the [LICENSE](LICENSE) file for details.
 
+## Contributors
+
+<a href="https://github.com/tolgee/tolgee-mobile-kotlin-sdk/graphs/contributors">
+  <img alt="contributors" src="https://contrib.rocks/image?repo=tolgee/tolgee-mobile-kotlin-sdk"/>
+</a>
+
+Let us know what you think! #FeedbackWanted ❤️
+
 ----
 🧀