[clang] [clang][analyzer][doc] Migrate user-related docs from HTML to RST (PR #97034)

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@@ -96,11 +96,11 @@ <h2>Download</h2>
    <h3 style="margin:0px;padding:0px">Mac OS X</h3>
    <ul>
     <li>Latest build (10.8+):<br>
-     <!--#include virtual="latest_checker.html.incl"-->
+     <b><a href="downloads/checker-279.tar.bz2">checker-279.tar.bz2</a></b> (built November 14, 2016)
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gamesh411 wrote:

@haoNoQ Thanks for the insights!
I'll also create another PR to clean up the index.html and finish the developer section.
There will be questions about what to do with open projects and checker ideas, but let's discuss it later in that PR.

https://github.com/llvm/llvm-project/pull/97034