Add desc. for automatic execution of scripts

[aquatiko]

All the scripts in this repository are used to automate some manual tasks. They can be run in any terminal to execute those tasks.
Part of automation is placing the scripts at right places in Linux directory so that it can be automatically executed by Linux when some specific actions are achieved.

The aim of this issue is to add description in README.md, describing the process to place these scripts.
Eg: taskkiller.sh needs to be executed on system startup. Write a description about the process to place the script and add it as a startup task.

(Same can be done for other new scripts too).