Adding License, Contributions and Issues to readme (#105)

* Adding License, Contributions and Issues to readme

* fix linting observations

* Update README.md

Author: jkrech

README.md

@@ -69,3 +69,55 @@ Now the generated `index.pidx` can be used with cpackget to validate that all li
 - invoke `cpackget init ./index.pidx -R ./pack_root_test` to use the generated index.pidx in
  pack_root_test/.Web/index.pidx
 - invoke `cpackget --public -R /pack_root_test` to list all latest public pack versions
+
+## Clone and Build
+
+```bash
+git clone https://github.com/open-cmsis-pack/vidx2pidx
+cd vidx2pidx
+make
+```
+
+## License
+
+vidx2pidx is licensed under Apache 2.0.
+
+## Contributions and Pull Requests
+
+Contributions are accepted under Apache 2.0. Only submit contributions where you have authored all of the code.
+
+### Issues and Labels
+
+Please feel free to raise an [issue on GitHub](https://github.com/Open-CMSIS-Pack/vidx2pidx/issues)
+to report misbehavior (i.e. bugs) or start discussions about enhancements. This
+is your best way to interact directly with the maintenance team and the community.
+We encourage you to append implementation suggestions as this helps to decrease the
+workload of the very limited maintenance team.
+
+We will be monitoring and responding to issues as best we can.
+Please attempt to avoid filing duplicates of open or closed items when possible.
+In the spirit of openness we will be tagging issues with the following:
+
+- **bug** – We consider this issue to be a bug that will be investigated.
+
+- **wontfix** - We appreciate this issue but decided not to change the current behavior.
+
+- **enhancement** – Denotes something that will be implemented soon.
+
+- **future** - Denotes something not yet schedule for implementation.
+
+- **out-of-scope** - We consider this issue loosely related to CMSIS.
+It might by implemented outside of CMSIS. Let us know about your work.
+
+- **question** – We have further questions to this issue. Please review and provide feedback.
+
+- **documentation** - This issue is a documentation flaw that will be improved in future.
+
+- **review** - This issue is under review. Please be patient.
+
+- **DONE** - We consider this issue as resolved - please review and close it.
+In case of no further activity this issues will be closed after a week.
+
+- **duplicate** - This issue is already addressed elsewhere, see comment with provided references.
+
+- **Important Information** - We provide essential informations regarding planned or resolved major enhancements.