feat: add river and foot modules

modules/programs/foot.nix

@@ -0,0 +1,30 @@
+{ config
+, lib
+, ...
+}:
+
+with lib;
+let
+  cfg = config.my.programs.foot;
+in
+{
+  options.my.programs.foot.enable = mkEnableOption "foot";
+
+  config = mkIf cfg.enable {
+    home-manager.users.moritz = {
+      # HACK: to make foot server work
+      systemd.user.services.foot.Service.Environment = "PATH=/run/current-system/sw/bin/";
+      programs.foot = {
+        enable = true;
+        server.enable = true;
+        settings = {
+          main = {
+            term = "xterm-256color";
+            font = "FiraCode Nerd Font:size=8";
+            dpi-aware = true;
+          };
+        };
+      };
+    };
+  };
+}