codeql-go merge prep: integrate go/ into codeql

.lgtm.yml

@@ -6,6 +6,7 @@ path_classifiers:
   test:
   - csharp/ql/src
   - csharp/ql/test
+  - go/ql/test
   - javascript/extractor/parser-tests
   - javascript/extractor/tests
   - javascript/ql/src
@@ -13,6 +14,9 @@ path_classifiers:
   - python/ql/src
   - python/ql/test
 
+  example:
+  - go/ql/src
+
 queries:
   - include: "*"