Fix errors related to readme file

[SAUMILDHANKAR]

Introduction

We would like our readme to be error free. In this PR, we will fix the errors.

Action Items

• Fix the errors mentioned in the introduction if any.
• Errors mentioned in comment Weekly pair hour meeting agenda #18 (comment) should be fixed too
• Run the application to check if it runs fine
• Create the PR

Resources

• Related file PR Auth0 login feature #52

[SAUMILDHANKAR]

@a-adeyori just assigned you to this issue so your PR #52 will fix this issue. Thank you.