ignore vscode dirs

Change-Id: Iad9fd20924b7cfc6dbbfb708aa9c692a3cab574c
diff --git a/.gitignore b/.gitignore
index fec8fab..74e1d00 100644
--- a/.gitignore
+++ b/.gitignore
@@ -75,3 +75,6 @@
 !contrib/osmo-trx.spec.in
 
 utils/osmo-prbs-tool
+/.qtc_clangd/*
+/.cache/*
+/.vscode/*