Updated gitignore

.gitignore

@@ -29,6 +29,9 @@
 .idea/**/gradle.xml
 .idea/**/libraries
 
+# Metals
+.metals/
+
 # Gradle and Maven with auto-import
 # When using Gradle or Maven with auto-import, you should exclude module files,
 # since they will be recreated, and may cause churn.  Uncomment if using
@@ -166,3 +169,6 @@ project/plugins/project/
 
 release/
 /example/
+cache/cache.csv
+.metals/metals.lock.db
+.bloop/