gradle: add deps in jar

app/build.gradle

@@ -16,7 +16,7 @@ repositories {
     mavenCentral()
 }
 
-def os = System.getProperty("os.name").toLowerCase()
+def os = "linux"
 def lwjgl_version = "3.3.6"
 def lwjgl_natives = "natives-$os"
 def imgui_version = "1.87.0"
@@ -47,12 +47,20 @@ application {
     applicationName = "3DChess"
 }
 
+
+// Add libraries into the final jar
 jar {
+    archiveBaseName = rootProject.getName() + "-" + os
+    duplicatesStrategy = DuplicatesStrategy.EXCLUDE
     manifest {
-        attributes 'Main-Class': application.mainClass
+        attributes "Main-Class": application.mainClass
     }
+    from {
+        configurations.compileClasspath.collect { it.isDirectory() ? it : zipTree(it) }
+    } 
 }
 
+
 run {
     standardInput = System.in
 }