add reval-clan (#9397)

* chore: add reval-clan plugin

* fix: fix repository URL

* fix: do not use a deprecated gson API

* feat: update the notifiers & sync, attribute dink

* chore: add templeOSRS license, and utilize enqueue

* feat: add warning, fix author, small plugin update

Plugin update consists of sending accountHash on webhook notifications & adding additional external filters to detailedKill notifier

* fix: make requested adjustments

Author: stenjansarv

plugins/reval-clan

@@ -0,0 +1,4 @@
+repository=https://github.com/revalOSRS/reval-cc-plugin.git
+commit=c97b56d4e386fd8eb8fdd1d09239fae4bf9cc86c
+authors=stenjansarv
+warning=This plugin submits your IP address and comprehensive records of your account activity and progress to a 3rd-party server not controlled or verified by the Runelite developers.