WIP NullAway and Errorprone

Author: Jonathing

build.gradle

@@ -5,6 +5,7 @@ plugins {
     id 'idea'
     id 'eclipse'
     id 'maven-publish'
+    alias libs.plugins.nullaway
     alias libs.plugins.gradleutils
     alias libs.plugins.gitversion
     alias libs.plugins.changelog

settings.gradle

@@ -22,6 +22,7 @@ gradle.beforeProject { Project project ->
 dependencyResolutionManagement.versionCatalogs.register('libs') {
     version 'gradleutils', '3.3.39'
 
+    plugin 'nullaway',       'net.ltgt.errorprone'            version '4.3.0' // https://plugins.gradle.org/plugin/net.ltgt.errorprone
     plugin 'licenser',       'net.minecraftforge.licenser'    version '1.2.0' // https://plugins.gradle.org/plugin/net.minecraftforge.licenser
     plugin 'gradleutils',    'net.minecraftforge.gradleutils' versionRef 'gradleutils'
     plugin 'gitversion',     'net.minecraftforge.gitversion'  version '3.1.7' // https://plugins.gradle.org/plugin/net.minecraftforge.changelog