Add screenshot menu and update prompt

Signed-off-by: Severin Kaderli <severin@kaderli.dev>

system/.local/bin/screenshot

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+# 
+# SCRIPT NAME:
+# screenshot
+#
+# AUTHOR:
+# Severin Kaderli <severin@kaderli.dev>
+#
+# DESCRIPTION:
+# Displays a screenshot menu using rofi.
+#
+# USAGE:
+# ./screenshot
+
+# The rofi prompt
+PROMPT="Screenshot"
+
+# Actions for the menu
+ACTIONS=(
+    "1: Fullscreen"
+    "2: Selection"
+)
+
+FILENAME="${HOME}/Pictures/Screenshots/%Y-%m-%d-%H%I%S.png"
+
+SELECTION=$(printf '%s\n' "${ACTIONS[@]}" | rofi -dmenu -p "${PROMPT}" | cut -d ":" -f1)
+case "${SELECTION}" in
+    "1")
+        escrotum "${FILENAME}"
+        ;;
+    "2")
+        escrotum -s "${FILENAME}"
+        ;;
+esac