Add insecure parameter passed to constructor

Support request to sites with invalid certificates (development)

README.md

@@ -68,11 +68,14 @@ You can add options on the initial Sitemapper object when instantiating it.
 + `debug`: (Boolean) - Enables/Disables debug console logging. Default: False
 + `concurrency`: (Number) - Sets the maximum number of concurrent sitemap crawling threads. Default: 10
 + `retries`: (Number) - Sets the maximum number of retries to attempt in case of an error response (e.g. 404 or Timeout). Default: 0
++ `requestHeaders`: (Object) - Additional Request Headers
++ `insecure`: (Boolean) - Ignore invalid certificates
 
 ```javascript
 
 const sitemapper = new Sitemapper({
   url: 'https://art-works.community/sitemap.xml',
+  insecure: true,
   timeout: 15000,
   requestHeaders: {
     'User-Agent': 'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:81.0) Gecko/20100101 Firefox/81.0'

src/assets/sitemapper.js

@@ -40,6 +40,7 @@ export default class Sitemapper {
     this.debug = settings.debug;
     this.concurrency = settings.concurrency || 10;
     this.retries = settings.retries || 0;
+    this.insecure = settings.insecure || false;
   }
 
   /**
@@ -149,6 +150,9 @@ export default class Sitemapper {
       gzip: true,
       responseType: 'buffer',
       headers: this.requestHeaders,
+      https: {
+        rejectUnauthorized: Boolean(this.insecure)
+      }
     };
 
     try {