Add music credits

Projekte/mdga/client/src/main/java/pp/mdga/client/Acoustic/SoundAsset.java

@@ -0,0 +1,4 @@
+package pp.mdga.client.Acoustic;
+
+public enum SoundAsset {
+}

Projekte/mdga/client/src/main/java/pp/mdga/client/Dialog/MainMenuDialog.java

@@ -1,5 +1,5 @@
 package pp.mdga.client.Dialog;
 
-public class StartDialog {
+public class MainMenuDialog {
 
 }

Projekte/mdga/client/src/main/resources/music/CREDIT.txt

@@ -0,0 +1,22 @@
+# Credit
+
+## Free SynthWave Music Pack
+
+See "Free SynthWave Music Pack License.pdf" for LICENCE information.
+
+ - 80s,Dico,Live.wav
+ - LaserParty.wav
+ - NeonRoadTrip.wav
+ - NoPressureTrance.wav
+ - RetroNoir.wav
+ - SpaceInvaders.wav
+ - TheSynthRave.SynthWave
+
+## Short Loopable Background Music
+
+ https://joshuuu.itch.io/short-loopable-background-music
+
+ Free for personal or commercial use as long as you don't redistribute as your own. Donations also welcome! Please add jhaeka to your credits. :)
+
+ - DeadPlanet.wav
+ - Spaceship.wav