replace niri with fork with blur support

niri/config.kdl

@@ -1,4 +1,9 @@
 layout {
+    blur {
+      noise 0.1
+      passes 3
+      radius 6
+    }
     gaps 5
     background-color "transparent"
     always-center-single-column
@@ -13,7 +18,7 @@ layout {
     default-column-width { proportion 0.5; }
 
     focus-ring {
-        // off
+        off
         width 1
         active-color "#ffffff33"
     }
@@ -107,11 +112,25 @@ window-rule {
 window-rule {
     match app-id="kitty"
     opacity 0.9
+    blur {
+      on
+    }
 }
 
 window-rule {
     match app-id="code"
     opacity 0.9
+    blur {
+      on
+    }
+}
+
+window-rule {
+  match app-id="org.gnome.Nautilus"
+  opacity 0.9
+  blur {
+    on
+  }
 }
 
 layer-rule {
@@ -243,7 +262,7 @@ binds {
     Mod+F { maximize-column; }
     Mod+Shift+F { fullscreen-window; }
     Mod+C { center-column; }
-    Mod+W { toggle-column-tabbed-display; }
+    // Mod+W { toggle-column-tabbed-display; }
 
     Mod+Minus { set-column-width "-10%"; }
     Mod+Equal { set-column-width "+10%"; }