feat(languages): add code ocaml language (@informal-stripes-condo) (monkeytypegame#7000)

### Description

Add Code OCaml Language

### Checks

- [x] Adding a language?
- Make sure to follow the [languages
documentation](https://github.com/monkeytypegame/monkeytype/blob/master/docs/LANGUAGES.md)
  - [x] Add language to `packages/schemas/src/languages.ts`
- [x] Add language to exactly one group in
`frontend/src/ts/constants/languages.ts`
  - [x] Add language json file to `frontend/static/languages` 
- [x] Check if any open issues are related to this PR; if so, be sure to
tag them below.
- [x] Make sure the PR title follows the Conventional Commits standard.
(https://www.conventionalcommits.org for more info)
- [x] Make sure to include your GitHub username prefixed with @ inside
parentheses at the end of the PR title.

<!-- label(optional scope): pull request title (@your_github_username)
-->

<!-- I know I know they seem boring but please do them, they help us and
you will find out it also helps you.-->

<!-- the issue(s) your PR resolves if any (delete if that is not the
case) -->
<!-- please also reference any issues and or PRs related to your pull
request -->
<!-- Also remove it if you are not following any issues. -->

<!-- pro tip: you can mention an issue, PR, or discussion on GitHub by
referencing its hash number e.g:
[monkeytypegame#1234](monkeytypegame#1234) -->

<!-- pro tip: you can press . (dot or period) in the code tab of any
GitHub repo to get access to GitHub's VS Code web editor Enjoy! :) -->

Author: informal-stripes-condo

frontend/src/ts/constants/languages.ts

@@ -352,6 +352,7 @@ export const LanguageGroups: Record<string, Language[]> = {
     "code_typescript",
     "code_cobol",
     "code_common_lisp",
+    "code_ocaml",
     "code_odin",
     "code_fortran",
     "code_abap",