Completes the MokoJoomCross → MokoSuiteCross rebrand across all language
string keys, Joomla event names, documentation, and wiki pages.
- 1,151 language key references renamed (COM_, PLG_, PKG_ prefixes)
- Event names renamed (onMokoJoomCross* → onMokoSuiteCross*)
- CLAUDE.md, CHANGELOG.md, wiki docs updated
- Zero mokojoomcross references remaining in codebase
Closes#128, closes#138