README: Update URLs, Repo, Add mapproxy

Author: tordans

README.md

@@ -1,14 +1,15 @@
-# [berlin.codefor.de/maps](https://berlin.codefor.de/maps/)
+# [maps.berlin.codefor.de](https://maps.berlin.codefor.de/)
 
 An overview of the map data avaliable on the server.
 
 ## Other projects
 
-* https://berlin.codefor.de/luftbilder/ is focussed on areal images from differnt years [Github](https://github.com/jochenklar/berlin-aerial) 
+* [luftbilder.berlin.codefor.de](https://luftbilder.berlin.codefor.de) is focussed on areal images from differnt years [Github](https://github.com/codeforberlin/luftbilder.berlin.codefor.de) 
 * ~~https://tiles.codefor.de/ shows the same data as this site [Github](https://github.com/jochenklar/tiles)~~ (Archived)
+* [github.com/codeforberlin/mapproxy-config](https://github.com/codeforberlin/mapproxy-config) is a map proxy for some imagery layers by the City of Berlin
 
 
 ## Data source
 
 The data is sourced from the FIS Broker, City of Berlin.
-Find the code at [github.com/jochenklar/fis-broker](https://github.com/jochenklar/fis-broker)
+Find the code at [github.com/codeforberlin/fis-broker](https://github.com/codeforberlin/fis-broker)