refactor: fix typos and naming inconsistencies

[boushphong]

What is the purpose of this pull request?

Codebase-wide cleanup of typographical errors and spelling inconsistencies in variable names, comments, and documentation.

[boushphong]

Failing dependency-graph

Error: HTTP Status 403 for request POST https://api.github.com/repos/youngmonkeys/ezyfox-server/dependency-graph/snapshots
Error: Response body:
{
  "message": "Resource not accessible by integration",
  "documentation_url": "https://docs.github.com/rest/dependency-graph/dependency-submission#create-a-snapshot-of-dependencies-for-a-repository",
  "status": "403"
}
Error: Resource not accessible by integration
Error: HttpError: Resource not accessible by integration

[tvd12]

LGTM