Add star calling assist

[zodaz]

This plugin allows for crashed stars found around the game to be posted to a remote endpont when found.

[runelite-github-app]

New plugin star-calling-assist: https://github.com/zodaz/star-calling-assist/tree/172258cdb0099ee51127e4e30aa34a35dd178a15

[Nightfirecat]

Use the client's instance of OkHttpClient instead of creating your own OkHttpClient here: https://github.com/zodaz/star-calling-assist/blob/202bcf484cc3b0d8f1062da173924a03ba1141c3/src/main/java/com/starcallingassist/CallSender.java#L35-L39

[zodaz]

Use the client's instance of OkHttpClient instead of creating your own OkHttpClient here: https://github.com/zodaz/star-calling-assist/blob/202bcf484cc3b0d8f1062da173924a03ba1141c3/src/main/java/com/starcallingassist/CallSender.java#L35-L39

Done!