Updates to README.md file

[viraj89]

Revision of the README file is required. Additions are required in sections such as updating introduction section, Opportunities for the field of Law & Justice, the "About" section, and benefits.

This update is in response to the request received from Meenakshi/Priyanka on November 29.
Source:
https://docs.google.com/document/d/1_9UgnazGvoITmPK6MDn3uajcxj-Bk6BZwDaqfker1U4/edit

[meenakshi2468]

Dear Ravi,

This is a request from Simi Sundararajan from Agami. She noticed that the Introduction on github for PULSE needs to be updated, introducing it as a protocol for unified legal services rather than a unified ODR protocol .

[ravi-prakash-v]

This looks fine. Approving the PR.

[meenakshi2468]

Thanks Ravi!