gitignore: Add files/folders used or created by the clangd language server

When using the clangd language server, it expects a compilation database
in the root directory, which must not be commited into the git repository.
Also the .cache/ directory, created by clangd can be ignored.

diff --git a/.gitignore b/.gitignore
index e943562f81b4ab9fb310c18913c9b78684f90457..aef631cb3d195ede4041d93c8dad3d53e42df1a6 100644 (file)
--- a/.gitignore
+++ b/.gitignore
@@ -16,6 +16,10 @@
 /*.kdev4
 /Makefile.am.user
 
+# clangd language server cruft
+.cache/
+/compile_commands.json
+
 # Configure/build cruft
 *.[ao]
 *.l[ao]