feat: override usage+original schemas with onInit hook

Author: js2me

.changeset/nine-buckets-study.md

@@ -0,0 +1,5 @@
+---
+"swagger-typescript-api": patch
+---
+
+added ability to override usageSchema and originalSchema after onInit hook and before all other operations

src/code-gen-process.ts

@@ -112,6 +112,13 @@ export class CodeGenProcess {
       this.config.hooks.onInit(this.config, this) || this.config,
     );
 
+    if (this.config.swaggerSchema) {
+      swagger.usageSchema = this.config.swaggerSchema;
+    }
+    if (this.config.originalSchema) {
+      swagger.originalSchema = this.config.originalSchema;
+    }
+
     this.schemaComponentsMap.clear();
 
     lodash.each(swagger.usageSchema.components, (component, componentName) =>