Update 1-install-and-setup.md

[mukesh51]

Checklist

• Issue number for this PR: None (minor change to documentation)
• Docs included?: Yes - Documentation updated.
• Test units included?: No - Only Documentation update.
• e2e tests included?: No - Only Documentation update.
• In a clean directory, npm install, npm run build, and npm test run successfully? Yes

Description

Minor documentation update. Changing the Component Name, to be in consistent with the rest of the tutorial.

Code sample

Not Applicable

Updating the AppComponent Name, to be in consistent with rest of the tutorial.