Merge #274

274: Add crates/*/target to gitignore r=matklad a=h-michael

I am using rls and rust-analyzer together.
Rls creates cache in `crates/*/target`, so I would like to add it to gitignore as well.

Co-authored-by: Hirokazu Hata <[email protected]>

Author: bors[bot]

.gitignore

@@ -1,4 +1,5 @@
 /target/
+crates/*/target
 **/*.rs.bk
 .idea/*
 .vscode/*