grid lines and some ui fixes :D

src/main.py

@@ -1,10 +1,20 @@
 from ui.app import AppUI
-from project import Project
+from project import Project, ProjectChannel, AudioChannelChunk
+import librosa
 
 
 if __name__ == "__main__":
     print("Loading project...")
-    test_project = Project.from_file("test_project.tdp")
+    test_project = Project(channels=[
+        ProjectChannel(chunks=[
+            AudioChannelChunk(*librosa.load("120 bpm amen break.mp3"), position=0),
+            AudioChannelChunk(*librosa.load("120 bpm amen break.mp3"), position=1),
+            AudioChannelChunk(*librosa.load("120 bpm amen break.mp3"), position=2)
+        ], name="drums"),
+        ProjectChannel(chunks=[
+            
+        ], name="piano")
+    ])#.from_file("test_project.tdp")
     
     # start the ui
     print("Starting UI...")