Add License and readme section

LICENSE

@@ -0,0 +1,7 @@
+Copyright 2021 Helsinki Systems GmbH
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

@@ -17,6 +17,13 @@ There also is an environment varaible, called `COMMIT_LOG`.
 If set to `1`, logs are generated.
 This is used by the `ci` script.
 
+## About
+We develop this software we made this software for our own usage.
+You are free to use it and open issues. We will look through them and decide if this is an issue to our use case, thus we are not able to address all of them.
+But do not hesitate to send a pull request!
+If you need this software but do not find the time to the development in house, we also offer professional commerical nixOS support - contact us by mail via [kunden@helsinki-systems.de](mailto:kunden@helsinki-systems.de)!
+
+
 ---
 
 The `ci` script is run daily by our CI and updates all apps.