FEAT: Started install script

Added completion and suggestions for fzf
      Set git Signin on by default
      Changed prefix key to C-z
FIX: Made sure forward and backward search keymappings will still work

install.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+
+git clone https://github.com/tmux-plugins/tpm ~/.tmux/plugins/tpm