initial commit. implemented typing simulation

demo.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+TYPE_SPEED="${TYPE_SPEED:-15}"
+PROMPT_TIMEOUT="${PROMPT_TIMEOUT:-0}"
+
+function simtyping()
+{ pv -qL $(($TYPE_SPEED+$((-2 + RANDOM%5)))); }