Enable catppuccin on picard

hmModules/catppuccin/default.nix

@@ -0,0 +1,39 @@
+{ lib, ... }:
+{
+  catppuccin = {
+    enable = true;
+    flavor = "mocha";
+    accent = "sapphire";
+  };
+
+  qt = {
+    platformTheme.name = lib.mkForce "kvantum";
+    style.name = lib.mkForce "kvantum";
+  };
+
+  # TODO move away
+  programs.alacritty = {
+    enable = true;
+    settings = {
+      font = {
+        normal = {
+          family = "Fira Code";
+          style = "Regular";
+        };
+        bold = {
+          family = "Fira Code";
+          style = "Bold";
+        };
+        italic = {
+          family = "Cascadia Code";
+          style = "Italic";
+        };
+        bold_italic = {
+          family = "Fira Code";
+          style = "Bold Italic";
+        };
+        size = 13;
+      };
+    };
+  };
+}