refactor: store module schemas in their own subdirectory, add a few more modules

src-tsp/main.tsp

@@ -3,11 +3,11 @@ import "./modules.tsp";
 
 using TypeSpec.JsonSchema;
 
-@jsonSchema()
+@jsonSchema("recipe.json")
 model recipe {
     name: string,
     description: string,
     "base-image": string,
     "image-version": string,
-    modules: Array<module>
+    modules: Array<Module>
 }