added mouse config

qtile/modules/keys.py

@@ -1,7 +1,8 @@
 from libqtile.lazy import lazy
 from libqtile.config import EzKey as Key
+from libqtile.config import EzClick as Click, EzDrag as Drag
 
-from config import apps, modifier_keys
+from config import apps
 
 keys = [
     # Focus manipulation
@@ -107,3 +108,17 @@ keys = [
     Key("M-b", lazy.spawn(apps["browser"])),
     Key("M-<Return>", lazy.spawn(apps["terminal"])),
 ]
+
+mouse = [
+    Drag(
+        "M-1",
+        lazy.window.set_position_floating(),
+        start=lazy.window.get_position(),
+    ),
+    Drag(
+        "M-3",
+        lazy.window.set_size_floating(),
+        start=lazy.window.get_size(),
+    ),
+    Click("M-2", lazy.window.bring_to_front()),
+]