Add FILTER_REGEX_INCLUDE

Signed-off-by: xibz <[email protected]>

.github/workflows/main.yml

@@ -32,6 +32,14 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           VALIDATE_MARKDOWN: true
           VALIDATE_JSON: true
+          # Run tests against these folders.
+          #
+          # Unfortunately excluding or including which files are linted by
+          # their associated tool is impossible with super lint. This means if
+          # we need a tool to only run on a subset of folders, then that tool
+          # will need to be ran manually instead of in conjunction with
+          # superlint.
+          FILTER_REGEX_INCLUDE: ".*\/(custom|examples|schemas)\/.*"
 
   jsonschema:
     name: Validate Schemas and Examples