feat: font; qt theme; foot program

font: Change from Monocraft to JetBrains
qt: Change theme to Fusion (doesn't look like it works)
foot: enable proper home-manger foot server support

home-manager/stvnliu/programs/foot.nix

@@ -0,0 +1,21 @@
+{
+  pkgs,
+  config,
+  lib,
+  ...
+}: {
+  programs.foot = {
+    enable = true;
+    settings = {
+      main = {
+        term = "xterm-256color";
+        font = "${config.desktopFontFullName}:size=12";
+        dpi-aware = lib.mkForce "yes";
+      };
+      mouse = {
+        hide-when-typing = "yes";
+      };
+    };
+    server.enable = true;
+  };
+}