Update README.md file format

Verified the MR10,the readme.md file is updated as per standard, but the patch is not cleanly applied.

10.patch:214: trailing whitespace.

warning: 1 line adds whitespace errors.

ravi kant → made their first commit to this issue’s fork.

Reviewed MR!10, the patch is not cleanly applied.

a) 10.diff.txt:90: trailing whitespace.

warning: 1 line adds whitespace errors.

b) Maintainer is missing form table of contents.
c) Installation is written twice in table of contents
d) There is not detailed section for "About this module" but written in table of contents, hence it should be removed.