README

README.md

@@ -25,8 +25,33 @@ Currently, mainly developed for [libGDX](https://github.com/libgdx/libgdx) but c
 
 Check out libGDX runtime [README](https://github.com/rednblackgames/HyperLap2D/hyperlap2d-runtime-libgdx) to start integrate HyperLap2D's project into your game.
 
+See [Wiki](https://hyperlap2d.rednblack.games/wiki/hyperlap2d/14-json-export-format/) if you want learn more about output format.
 ### Issues
 
+Have you found a bug or an unexpected behavior? Don't panic! Search for a [known issue](https://github.com/rednblackgames/HyperLap2D/issues) or feel free to open a new one. Your feedback is important, please try to be as much detailed as possible :)
+
 ### Contribute
 
-### License
+We need your help! HyperLap2D it's a very large and complex project, if you have some cool addition or bug fix don't hesitate to create a [Pull Request](https://github.com/rednblackgames/HyperLap2D/pulls), any contribution, big or small, is always well accepted.
+
+### License
+
+HyperLap2D Editor is licensed under the GNU Public License, Version 3. You may wish to read [HyperLap2D libGDX Runtime](https://github.com/rednblackgames/HyperLap2D/hyperlap2d-runtime-libgdx) License and [Spine Extension](https://github.com/rednblackgames/HyperLap2D/h2d-libgdx-spine-extension) License.
+
+```
+HyperLap2D Editor
+Copyright (C) 2020 Francesco Marongiu
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+```