Updating PR preview deployment and _config.yml

[anarnold97]

_config.yml (main repo)

• Updated title, repository, url, and repository_url from stale windup values to correct MTA/migtools values

• Added docs/topics/ to the exclude list to prevent Jekyll from processing the large image directory during builds

• baseurl kept as /

.github/workflows/pr-preview-deploy.yml

• Deploy step now writes a minimal _config.yml to the root of the gh-pages branch on every deploy, telling Jekyll to only pass through pr-previews/ and exclude everything else — this prevents GitHub Pages from running a full Jekyll rebuild on the 8+ GB branch content which was causing deployments to fail

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📥 Commits

Reviewing files that changed from the base of the PR and between 1b548cf and 981c079.

📒 Files selected for processing (2)

• .github/workflows/pr-preview-deploy.yml
• _config.yml

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[github-actions]

📄 Documentation Preview

Preview URL	https://migtools.github.io/mta-documentation/pr-previews/407/
Commit	981c079
Updated	Mon, 03 Aug 2026 18:25:54 GMT

Preview updates automatically on every push to this PR.
It will be removed when the PR is closed.

[anarnold97]

@vashirova @Pkylas007 @mpershina - please can you review

i am really close, but changes to the _config.yml are a pain. as soon as i changed it, the size ballooned to 8GB due to the preview using jekyll to build

this PR should resolve those problems.

sorry i ran out of time