[feat] Add ncmpcpp basic config

common/ncmpcpp.nix

@@ -0,0 +1,15 @@
+{ pkgs, ... }: {
+  programs.ncmpcpp = {
+    enable = true;
+    bindings = pkgs.lib.attrsets.mapAttrsToList (key: value: {
+      key = key;
+      command = value;
+    }) {
+      j = "scroll_down";
+      k = "scroll_up";
+      J = [ "select_item" "scroll_down" ];
+      K = [ "select_item" "scroll_up" ];
+    };
+    package = pkgs.ncmpcpp;
+  };
+}