README updates and workflow fixes (existence-master#31) (existence-master#42)

* merge: updated configuration of env vars to avoid gitleaks failure (existence-master#14)

* fix: removed values from env template to avoid gitleaks failure

chore: updated readme, pr workflow and env template files

* fix: resolved cla assistant workflow issue

---------



* docs: update README.md (existence-master#30)

fix LICENSE link

* chore: update README.md

---------

Co-authored-by: Kabeer Ahmed Merchant <59280736+Kabeer2004@users.noreply.github.com>
Co-authored-by: Ikko Eltociear Ashimine <eltociear@gmail.com>

Author: 3 people