Update README

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

.github/README.md

@@ -1,10 +1,15 @@
 # yasch
 
-Some YAML utilities, including:
+Some JSON Schema utilities for YAML, including:
 
 * Converts any Go structs into a JSON Schema file
 * A command line tool `yamlchk` for validating YAML files with a local JSON Schema file
 
+You could also register those generated JSON Schema files into `.idea/jsonSchemas.xml` for autocompletion! See
+also [Using schemas from JSON Schema Store].
+
+[Using schemas from JSON Schema Store]: https://www.jetbrains.com/help/idea/json.html#ws_json_using_schemas
+
 ## License
 
 MIT