Ignore ccls cache folder.

Change-Id: I216576a94ceeb210800d318dab39d39801c26509
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2035856
Auto-Submit: David Manouchehri <david@davidmanouchehri.com>
Commit-Queue: Elly Fong-Jones <ellyjones@chromium.org>
Reviewed-by: Elly Fong-Jones <ellyjones@chromium.org>
Cr-Commit-Position: refs/heads/master@{#737820}

.gitignore

@@ -33,6 +33,7 @@
 .*.sw?
 .DS_Store
 .android
+.ccls-cache
 .cipd
 .classpath
 .code-coverage

AUTHORS

@@ -219,6 +219,7 @@ David Erceg <erceg.david@gmail.com>
 David Fox <david@davidjfox.com>
 David Futcher <david.mike.futcher@gmail.com>
 David Leen <davileen@amazon.com>
+David Manouchehri <david@davidmanouchehri.com>
 David McAllister <mcdavid@amazon.com>
 David Michael Barr <david.barr@samsung.com>
 David Spellman <dspell@amazon.com>