🎨 Introduce code formatting

.git-blame-ignore-revs

@@ -0,0 +1 @@
+# .git-blame-ignore-revs

.gitattributes

@@ -0,0 +1,6 @@
+* text=auto eol=lf
+
+gradle/wrapper/gradle-wrapper.jar linguist-generated=true
+gradle/wrapper/gradle-wrapper.properties linguist-generated=true
+gradlew linguist-generated=true
+gradlew.bat linguist-generated=true

.gitignore

@@ -4,4 +4,5 @@ build/
 
 ### IntelliJ IDEA ###
 .idea
+!.idea/codeStyles
 !.idea/icon.svg

.prettierrc.yml

@@ -0,0 +1,7 @@
+plugins:
+- prettier-plugin-java
+parser: java
+printWidth: 120
+tabWidth: 4
+singleQuote: false
+useTabs: true

build.gradle

@@ -1,19 +1,47 @@
+import java.nio.charset.StandardCharsets
+
 plugins {
-    id 'java'
+	id 'java'
+	id 'com.diffplug.spotless' version '6.25.0'
 }
 
 group = 'de.trollteam'
 version = '1.0-SNAPSHOT'
 
 repositories {
-    mavenCentral()
+	mavenCentral()
 }
 
 dependencies {
-    testImplementation platform('org.junit:junit-bom:5.10.2')
-    testImplementation 'org.junit.jupiter:junit-jupiter'
+	testImplementation platform('org.junit:junit-bom:5.10.2')
+	testImplementation 'org.junit.jupiter:junit-jupiter'
 }
 
 test {
-    useJUnitPlatform()
-}
+	useJUnitPlatform()
+}
+
+spotless {
+	enforceCheck(false)
+	ratchetFrom "origin/main"
+
+	format "misc", {
+		target fileTree(".") {
+			exclude(".gradle", ".idea/", "build/", "gradle/", "src/")
+		}
+
+		encoding(StandardCharsets.UTF_8)
+		trimTrailingWhitespace()
+		indentWithTabs()
+		endWithNewline()
+	}
+
+	java {
+		target "src/**/java/**/*.java"
+		encoding(StandardCharsets.UTF_8)
+		removeUnusedImports()
+		prettier(["prettier": "3.0.3", "prettier-plugin-java": "2.3.0"])
+			.configFile(".prettierrc.yml")
+	}
+
+}