add scripts

home/default/.local/bin/bookmark

@@ -0,0 +1,10 @@
+#!/bin/sh
+bookmark="$(wl-paste)"
+file="$HOME/notebook/bookmarks/bookmarks.md"
+
+if grep -q "^$bookmark$" "$file"; then
+  notify-send "error." "bookmark \"$bookmark\" exists."
+else
+  notify-send "bookmark added." "$bookmark is now saved to the file."
+  echo "$bookmark" >> "$file"
+fi