Added publishing task

build.gradle

@@ -1,5 +1,6 @@
 plugins {
     id 'java'
+    id 'maven-publish'
 }
 
 group = 'cc.lndnr'
@@ -15,12 +16,41 @@ repositories {
         name = "sonatype"
         url = "https://oss.sonatype.org/content/groups/public/"
     }
+    maven {
+        url = "https://git.lndnr.cc/api/packages/gerolndnr/maven"
+    }
 }
 
 dependencies {
     compileOnly "io.papermc.paper:paper-api:1.20.4-R0.1-SNAPSHOT"
 }
 
+publishing {
+    publications {
+        maven(MavenPublication) {
+            groupId = "cc.lndnr"
+            artifactId = "core-system"
+            version = version
+        }
+    }
+
+    repositories {
+        maven {
+            name = "Gitea"
+            url = uri("https://git.lndnr.cc/api/packages/gero.lindner/maven")
+
+            credentials(HttpHeaderCredentials) {
+                name = "Authorization"
+                value = "token " + System.getenv("GITEA_PERSONAL_ACCESS_TOKEN")
+            }
+
+            authentication {
+                header(HttpHeaderAuthentication)
+            }
+        }
+    }
+}
+
 def targetJavaVersion = 17
 java {
     def javaVersion = JavaVersion.toVersion(targetJavaVersion)