.vscodeignore: ignore more config files

Change-Id: I7fb974f026d4cd41cfb3fffe4c72261210d435a2
Reviewed-on: https://go-review.googlesource.com/c/vscode-go/+/401255
Run-TryBot: Hyang-Ah Hana Kim <hyangah@gmail.com>
TryBot-Result: kokoro <noreply+kokoro@google.com>
Reviewed-by: Jamal Carvalho <jamal@golang.org>
Reviewed-by: Hyang-Ah Hana Kim <hyangah@gmail.com>
diff --git a/.vscodeignore b/.vscodeignore
index abc97ba..a6bbc5a 100644
--- a/.vscodeignore
+++ b/.vscodeignore
@@ -1,5 +1,9 @@
 **/*.map
 **/tslint.json
+.DS_Store
+.editorconfig
+.eslintignore
+.eslintrc.json
 .git/
 .github/
 .gitignore
@@ -9,7 +13,10 @@
 .vscode-test/
 SECURITY.md
 build/
+codereview.cfg
 docs/
+go.mod
+go.sum
 node_modules/
 out/
 src/