docs: update CHANGELOG

Author: js2me

CHANGELOG.md

@@ -1,5 +1,19 @@
 # next release  
 
+BREAKING_CHANGE: change swagger-typescript-api NodeJS "generateApi" function return type  
+
+```diff
+interface GenerateApiOutput {
+...
+-  files: { name: string; content: string; declaration: { name: string; content: string } | null }[];
++  files: { fileName: string; fileContent: string; fileExtension: string }[];
+...
+}
+```
+
+internal: refactor schema parser code (preparing it for async code execution)  
+internal: add discriminator property support (disabled for this release)  
+internal: prepare code + templates for async code execution (next plans)  
 fix: problems with dot in query params (hard fix) (#460)   
 feature: ability to send custom Ts output code translator to js. Example:  
 ```ts

index.d.ts

@@ -7,7 +7,7 @@ interface GenerateApiParamsBase {
   name?: string;
 
   /**
-   * path to folder where will been located the created api module.
+   * path to folder where will be located the created api module.
    *
    * may set to `false` to skip writing content to disk. in this case,
    * you may access the `files` on the return value.