fix(development): removed reference to ERGO in docs markup-templatemark, as it's outdated

[Vinyl-Davyl]

fix(development): Removed outdated reference to ERGO in docs markup-templatemark

This pull request removes an outdated reference to ERGO within the markup-templatemark documentation.

Changes

• Updates the markup-templatemark documentation to remove any mentions of ERGO.
• Ensures consistency with the current Accord Project technology stack, which no longer utilizes ERGO.

Flags

• This is a development-focused change and should not impact existing functionality.

Related Issues

• (Optional) Link any relevant issues (# followed by the issue number) that this pull request addresses.

Author Checklist

• I have ensured a DCO sign-off is included using git commit --signoff for my commits.
• (Optional) Add a checklist item for unit/integration tests if applicable to your changes.
• Commit messages follow the Accord Project format (link provided).
• (Optional) Add a checklist item for documentation updates if relevant.
• This pull request targets merging the branchname from your fork into the master branch.
• (Optional) Add a checklist item for manual accessibility testing if applicable to your changes.

Additional Notes:

• Consider including a brief explanation of why ERGO references are outdated to provide context for reviewers.
• Feel free to remove any bracketed sections ([]) that aren't relevant to your specific pull request.