Rename modules directory

modules/bookmarkthis.nix

@@ -0,0 +1,57 @@
+{ lib, ... }:
+
+{
+  flake.modules.homeManager.gui =
+    { config, pkgs, ... }:
+    {
+      options.programs.bookmarkthis.snippetsFile = lib.mkOption {
+        default = "${config.xdg.dataHome}/snippets.txt";
+        type = lib.types.str;
+      };
+
+      config = {
+        home = {
+          packages = [
+            (pkgs.writeShellApplication {
+              name = "bookmarkthis";
+
+              text = ''
+                message() {
+                  if command -v  ${lib.getExe pkgs.libnotify} > /dev/null; then
+                    ${lib.getExe pkgs.libnotify} "$1" "$2"
+                  else
+                    echo "$2"
+                  fi
+                }
+
+                main() {
+                  bookmark="$(xclip -o)"
+                  file="$SNIPPETS_FILE"
+
+                  if grep -q "^$bookmark$" "$file"; then
+                    message "Oops." "Already bookmarked." >&2
+
+                    exit 2
+                  fi
+
+                  echo "$bookmark" >> "$file"
+
+                  message "Bookmark added!" "$bookmark is now saved to the file."
+                }
+
+                main
+              '';
+            })
+          ];
+
+          sessionVariables = {
+            SNIPPETS_FILE = config.programs.bookmarkthis.snippetsFile;
+          };
+        };
+
+        programs.zsh.zsh-abbr.abbreviations = lib.optionalAttrs (config.programs.zsh.enable) {
+          "sn" = "${config.home.sessionVariables.EDITOR} $SNIPPETS_FILE";
+        };
+      };
+    };
+}