(OUI Docs) Markdown format

[KrooshalUX]

Section: Links
The example URL here doesn't load and needs to be replaced

• replace url in "link text" with https://opensearch.org/
• replace url in "link with title" with https://opensearch.org/
• Change the alt text on "link with title" to OpenSearch.org
• Change the url in "autoconverted link" to https://opensearch.org/