doc: fix FAQ ordering

The actual answers were in a different order than the table of contents.
This commit corrects that. No content has been changed.

FAQ.md

@@ -5,15 +5,15 @@
 * [When is the next release?](#release)
 * [Does ripgrep have a man page?](#manpage)
 * [Does ripgrep have support for shell auto-completion?](#complete)
+* [How can I get results in a consistent order?](#order)
+* [How do I search files that aren't UTF-8?](#encoding)
+* [How do I search compressed files?](#compressed)
+* [How do I search over multiple lines?](#multiline)
 * [How do I use lookaround and/or backreferences?](#fancy)
 * [How do I configure ripgrep's colors?](#colors)
 * [How do I enable true colors on Windows?](#truecolors-windows)
 * [How do I stop ripgrep from messing up colors when I kill it?](#stop-ripgrep)
 * [Why does using a leading `/` on Windows fail?](#because-cygwin)
-* [How can I get results in a consistent order?](#order)
-* [How do I search files that aren't UTF-8?](#encoding)
-* [How do I search compressed files?](#compressed)
-* [How do I search over multiple lines?](#multiline)
 * [How do I get around the regex size limit?](#size-limit)
 * [How do I make the `-f/--file` flag faster?](#dfa-size)
 * [How do I make the output look like The Silver Searcher's output?](#silver-searcher-output)