Devtools Improvements

- Now has tabs setup as more features are added
- First extra tab has basic server info
- Use mobileform to make it look nicer
- For the room data tab allow the room to be changed from within devtools
- For the room data tab allow m.room.member events to be filtered out so other event types can be found easily
- For the room data tab allow viewing room account data

network/neochat#557

src/CMakeLists.txt

@@ -44,6 +44,7 @@ add_library(neochat STATIC
     models/actionsmodel.cpp
     models/serverlistmodel.cpp
     models/statemodel.cpp
+    models/statefiltermodel.cpp
     filetransferpseudojob.cpp
     models/searchmodel.cpp
     texthandler.cpp