To add another page, in the left panel, click the Create a File icon.
In the Add File dialog box, enter a name for the file, and click Create File.
Enter content into the new page.
Place the cursor in the location on the page where you want to link back to index.md (the first page of the wiki).
Click the link icon in the toolbar of the middle panel, and choose Local Wiki File.
In the Pick a Filedialog box, select index.md, and then click Pick File.
A link to index.md is create in the page.
Change the text My File in the brackets to your own text.
Publish the page. The page is not yet visible in the Wiki.
Edit the original Wiki page (index.md) and add use the (link icon) > Local Wiki File option to add a link to the second page of the wiki, and publish the page. The two wiki pages now link to each other.
Add any number of pages to your wiki and link them together.