Adds build status badge.

README.md

@@ -1,5 +1,7 @@
 # ScoreKeeper Plugin
 
+[![Java CI with Gradle](https://github.com/headhunter45/ScoreKeeper/actions/workflows/gradle.yml/badge.svg)](https://github.com/headhunter45/ScoreKeeper/actions/workflows/gradle.yml)
+
 ScoreKeeper supports Paper 26.2 and 26.3 only. Bukkit and Spigot servers are not supported.
 
 ## Running

build.gradle

@@ -1,5 +1,5 @@
 plugins {
-    id 'com.diffplug.spotless' version '6.22.0'
+    id 'com.diffplug.spotless' version '8.10.3'
     id 'java-library'
     id 'maven-publish'
     id 'org.danilopianini.git-sensitive-semantic-versioning' version '7.0.24'
@@ -70,7 +70,7 @@ repositories {
 
 spotless {
     java {
-        googleJavaFormat('1.27.0')
+        googleJavaFormat('1.36.1')
         importOrder 'java', 'javax', 'com', 'net', 'org', ''
         licenseHeaderFile 'config/license-header.txt'
         target 'src/**/*.java'