Adjust docs related to ServiceTypes/KPackage metadata
- sensor-faces: Port to json metadata, define KPackageType
- plasma/scripting/templates: Link to ServiceTypes -> KPackageStructure migration steps from Widget docs
- plasma/scripting/templates: Port examples and explanation to JSON metadata
- KWinScripts/Applets: Migrate from ServiceTypes to KPackageStructure
- Add kpackage doc component
- kate plugin: Remove unneeded ServiceTypes from metadata
Edited by Alexander Lohnau