Fix: update new gitignore and readme.yaml

[theprashantyadav]

what

• update .gitignore and readme.yaml

why

• Provide the justifications for the changes (e.g. business case).
• Describe why these changes were made (e.g. why do these commits fix the problem?)
• Use bullet points to be concise and to the point.

references

• Link to any supporting jira issues or helpful documentation to add some context (e.g. stackoverflow).
• Use closes #123, if this PR closes a Jira issue #123

[omsharma07]

LGTM