Add file level scope for scala

src/cleanup_rules/scala/scope_config.toml

@@ -0,0 +1,19 @@
+# Copyright (c) 2023 Uber Technologies, Inc.
+# 
+# <p>Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy of the License at
+# <p>http://www.apache.org/licenses/LICENSE-2.0
+# 
+# <p>Unless required by applicable law or agreed to in writing, software distributed under the
+# License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+# express or implied. See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+[[scopes]]
+name = "File"
+[[scopes.rules]]
+enclosing_node = """
+(compilation_unit) @cu
+"""
+scope = "(compilation_unit) @compilation_unit"