feat: publish source and docs (#6)

Author: Doc94

build.gradle.kts

@@ -8,6 +8,8 @@ java {
     toolchain {
         languageVersion.set(JavaLanguageVersion.of(21))
     }
+    withSourcesJar()
+    withJavadocJar()
 }
 
 val mockitoAgent = configurations.create("mockitoAgent")
@@ -61,4 +63,4 @@ publishing {
             }
         }
     }
-}
+}