feat(picom): make animations faster, rename module

configs/picom.nix

@@ -0,0 +1,12 @@
+{
+  services.picom = {
+    enable = true;
+    activeOpacity = 1;
+    fade = true;
+    fadeDelta = 5;
+    inactiveOpacity = 0.9;
+    shadow = true;
+    menuOpacity = 0.9;
+    shadowOpacity = 0.3;
+  };
+}