Added false type checker warning note

Author: adamlui

project-markers/docs/README.md

@@ -32,6 +32,8 @@ print(project_markers)
 # => ['.ansible-lint', '.bazelrc', '.browserslistrc', '.buckconfig', ...]
 ```
 
+_Note: Most type checkers will falsely warn `project_markers` is not iterable because they cannot analyze runtime behavior (where the module is replaced w/ a list for cleaner, direct acces). You can safely suppress such warnings using `# type: ignore`._
+
 The list includes markers from many tools and ecosystems, including:
 
 - Version control (.git, .hg, .svn)