feat: move to DankMaterialShell, remove quickshell config updates

modules/core/ui/shell.py

@@ -0,0 +1,20 @@
+# NOTE: Bar may eventually be replaced by custom bar
+import decman
+from decman.plugins import pacman
+
+
+class DesktopShell(decman.Module):
+    def __init__(self):
+        """DesktopShell"""
+        super().__init__("base")
+
+    @pacman.packages
+    def pkgs(self) -> set[str]:
+        return {"dms-shell", "cava", "matugen"}
+
+    # TODO: Copy the config, once done
+    def directories(self) -> dict[str, decman.Directory]:
+        return { "~/.config/matugen": decman.Directory("./config/matugen") }
+
+    def files(self) -> dict[str, decman.File]:
+        return { "~/.config/matugen": decman.File("") }