feat: added moonlight theme

[SIMRAN88]

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/riccardoperra/codeimage/blob/main/CONTRIBUTING.md#commit
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?
This to add moonlight theme.

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Other... Please describe:

What is the current behavior?

Issue Number: #20

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[ ] No

Other information

[codesandbox]

  Open in CodeSandbox Web Editor | VS Code | VS Code Insiders

[changeset-bot]

🦋 Changeset detected

Latest commit: b922f50

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 3 packages

Name	Type
@codeimage/highlight	Patch
@codeimage/app	Patch
@codeimage/config	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[riccardoperra]

Thanks 😄