feat: Cursor shortcut (#83)

- 'c' shortcut to open Cursor

## Summary by Sourcery

New Features:
- Add a "c" keyboard shortcut to open the Cursor application.

linkme/.functions

@@ -40,6 +40,15 @@ function o() {
 	fi
 }
 
+# `c` with no arguments opens Cursor in the current directory, otherwise opens at the given location
+function c() {
+	if [[ $# -eq 0 ]]; then
+		cursor .
+	else
+		open "$@"
+	fi
+}
+
 # Create a new directory and enter it.
 function mkd() {
 	mkdir -p "$@" && cd "${_}" || exit 1