Add a Make target

...for generating dynamic resource reference documentation

Author: ptgott

Makefile

@@ -1851,3 +1851,7 @@ go-mod-tidy-all:
 dump-preset-roles:
 	GOOS=$(OS) GOARCH=$(ARCH) $(CGOFLAG) go run ./build.assets/dump-preset-roles/main.go
 	pnpm test web/packages/teleport/src/Roles/RoleEditor/StandardEditor/standardmodel.test.ts
+
+.PHONY: gen-resource-docs
+gen-resource-docs:
+	cd docs/resource-ref-generator && go run resource-ref-generator -config config.yaml

docs/resource-ref-generator/README.md

@@ -6,9 +6,10 @@ It uses the Teleport source as the basis for the guide.
 
 ## Usage
 
+From the root of your `gravitational/teleport` clone:
+
 ```
-$ cd docs/resource-ref-generator
-$ go run . -config config.yaml
+$ make gen-resource-docs
 ```
 
 ## How it works