chore: gitignore .cache dir (#8263)

devjgm · web-flow · commit 00e44976b3f8 · 2022-02-05T17:43:33.000-05:00
This directory is created by clangd when indexing source code.
diff --git a/.gitignore b/.gitignore
@@ -13,6 +13,9 @@ cmake-out/
 # Used by some IDEs and LSP plugins
 compile_commands.json
 
+# clangd writes index files here
+.cache
+
 # Backup files for Emacs
 *~
 
