Fix reference link. Add Makefile docs serve command

Makefile

@@ -79,6 +79,10 @@ check/spell:
 docs: ## Build documentation.
 	@poetry run mkdocs build
 
+.PHONY: docs/serve
+docs/serve: ## Serve documentation.
+	@poetry run mkdocs serve
+
 .DEFAULT_GOAL := help
 .PHONY: help
 help: ## Print Makefile help text.

README.md

@@ -203,6 +203,8 @@ Run `make test/unit` to execute the test suite locally.
 
 Run `make docs` to build the documentation locally.
 
+Run `make serve` to serve the documentation locally.
+
 5. **Code Checks:** Griptape a variety of tools to enforce code quality and style. Your code must pass all checks before it can be merged.
 
 Run `make check` to run all code checks locally.

docs/griptape-framework/structures/configs.md

@@ -5,7 +5,7 @@ search:
 
 ## Overview
 
-Griptape exposes a global singleton, [Defaults](../../reference/griptape/configs/defaults.md), which can be used to access and modify the default configurations of the framework.
+Griptape exposes a global singleton, [Defaults](../../reference/griptape/configs/defaults_config.md), which can be used to access and modify the default configurations of the framework.
 
 To update the default configurations, simply update the fields on the `Defaults` object. 
 Framework objects will be created with the currently set default configurations, but you can always override at the individual class level.