Replace README.txt with README.md

Issues are there in the code.

2.diff.txt:9: trailing whitespace.
This module provides integration with Crownpeak Autofix. It differs to
2.diff.txt:11: trailing whitespace.
[website link](https://community.crownpeak.com/t5/Auto-Fix/tkb-p/dqm_autofix).
2.diff.txt:12: trailing whitespace.
The module provides Drupal way of handling configuration and generating JS
2.diff.txt:42: trailing whitespace.
- Crownpeak Autofix Trigger block - block for displaying Crownpeak Autofix
2.diff.txt:45: trailing whitespace.
- Configuration Form - for configuring Crownpeak Autofix widget and trigger
warning: README.txt has type 100644, expected 100755
warning: squelched 9 whitespace errors
warning: 14 lines add whitespace errors.

Please review. Updated README.md as per README.md Template. →

Hi nitin_lama

I reviewed and applied your MR and confirmed that it README.txt is replaced to README.md and following the README.md template → Please see the screenshots attached.

Thank you.