Merge pull request #6959 from CharlieTLe/cortex-config-json-schema

Set up cortex config json schema generator

Author: CharlieTLe

Makefile

@@ -263,6 +263,7 @@ doc: clean-doc
 	go run -tags slicelabels ./tools/doc-generator ./docs/guides/encryption-at-rest.template           > ./docs/guides/encryption-at-rest.md
 	embedmd -w docs/operations/requests-mirroring-to-secondary-cluster.md
 	embedmd -w docs/guides/overrides-exporter.md
+	go run -tags slicelabels ./tools/doc-generator -json-schema            						       > ./schemas/cortex-config-schema.json
 
 endif