Added in how to contributing (#49)

Also updated the README.md with how to contribute and changed the Contact part to be less dependent on individuals

CONTRIBUTING.md

@@ -0,0 +1,25 @@
+# Contributing
+This project is open to accept feature requests and contributions from the open source community.
+Please fork the repo and start a new branch to work on.
+
+
+## Building locally
+This project is using [Gradle](https://gradle.org/) for its build tool.
+A Gradle Wrapper is included in the code though so you do not have to manage your own installation.
+
+To run a build simply exucute the following:
+
+```shell script
+./gradlew shadowJar
+```
+
+This will run all the steps defined in the `build.gradle.kts` file.
+
+
+## Testing
+If you are adding a new feature or bug fix please ensure there is proper test coverage.
+
+## Pull Request Review
+If you have a branch on your fork that is ready to be merged, please create a new pull request. The maintainers will review to make sure the above guidelines have been followed and if the changes are helpful to all library users, they will be merged.
+
+This project uses [semantic versioning](https://semver.org/) and does NOT prefix tags or release titles with `v` i.e. use `1.2.3` instead of `v1.2.3` 

README.md

@@ -58,10 +58,22 @@ making this ideal for developing new templates for your application.
 
 The template and data directory structure both follow the `<application>/<template>` structure.
 
-## Contact us
-### Code/project related questions can be sent to
-* Kent Daleng, `[email protected]`
-* Kevin Sillerud, `[email protected]`
-
-### For NAV employees
-We are also available on the slack channel #pdfgen for internal communication.
+## 👥 Contact
+
+This project is currently maintained by the organisation [@navikt](https://github.com/navikt).
+
+If you need to raise an issue or question about this library, please create an issue here and tag it with the appropriate label.
+
+For contact requests within the [@navikt](https://github.com/navikt) org, you can use the slack channel #pdfgen
+
+If you need to contact anyone directly, please see contributors.
+
+## ✏️ Contributing
+
+To get started, please fork the repo and checkout a new branch. You can then build the library with the Gradle wrapper
+
+```shell script
+./gradlew shadowJar
+```
+
+See more info in [CONTRIBUTING.md](CONTRIBUTING.md)