Svelte conversion - Info tab

[rlankin]

Much of the information on this tab was redundant with the Tournament tab, so the Info tab has been removed and any non-redundant information was moved to the Tournament tab. This is an otherwise straightforward conversion. Noteworthy things:

• The marked library has been added in order to render Markdown in Svelte and DOMPurify has been added to safely display it.
• I added the names of the official prize kit, format, and deck building restriction to the object returned by the /api/v1/public/tournament endpoint. I added them at the top level of the object instead of creating properly nested objects for each because of how simple they are, but I can change this if need be.
• I added the swissFormatDisplayString() convenience function to consolidate how the strings "Single-sided" and "Double-sided" are transformed.
• Attempting to navigate to the Info tab while in beta mode redirects to the Tournament tab.