Update feature-request opening process on README

[cyberquill]

Proposed changes

README updated to reflect the currently followed procedure for opening a new feature request. The old link present in the document is described accordingly, as it is now only used for historical purposes.

Issue(s)

How to test or reproduce

Screenshots

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• Improvement (non-breaking change which improves a current function)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Hotfix (a major bugfix that has to be merged asap)
• Documentation Update (if none of the other choices apply)

Checklist

• I have read the CONTRIBUTING doc
• I have signed the CLA
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works (if applicable)
• I have added necessary documentation (if applicable)
• Any dependent changes have been merged and published in downstream modules

Changelog

Further comments

[cyberquill]

#Hacktoberfest brought me here. This is my first open-source contribution! Super excited to get started!🤘😊
@ggazzo please have a look, and advice me accordingly...

[cyberquill]

@ggazzo @tassoevan @sampaiodiego Can you please review my updates? I am hoping to get this PR accepted for #Hacktoberfest. So, it would really mean a lot if the PR gets reviewed before October-end. Hoping to hear from you soon : )