Fix osn.com

sites/osn.com/osn.com.config.js

@@ -9,6 +9,10 @@ module.exports = {
   site: 'osn.com',
   request: {
     method: 'POST',
+    headers: {
+      'Content-Type': 'application/json; charset=UTF-8',
+      Referer: 'https://www.osn.com'
+    },
     data({ channel, date }) {
       const [selectedCountry, channelCode] = channel.site_id.split('#')
       return {

sites/osn.com/osn.com.test.js

@@ -1,4 +1,4 @@
-// NODE_OPTIONS=--insecure-http-parser npx epg-grabber --config=sites/osn.com/osn.com.config.js --channels=sites/osn.com/osn.com_ae.channels.xml --days=2 --output=guide.xml
+// NODE_OPTIONS=--insecure-http-parser npx epg-grabber --config=sites/osn.com/osn.com.config.js --channels=sites/osn.com/osn.com_ae.channels.xml --output=guide.xml --days=2
 
 const { parser, url, logo, request } = require('./osn.com.config.js')
 const dayjs = require('dayjs')
@@ -24,6 +24,14 @@ it('can generate valid request data', () => {
   })
 })
 
+it('can generate valid request headers', () => {
+  const result = request.headers
+  expect(result).toMatchObject({
+    'Content-Type': 'application/json; charset=UTF-8',
+    Referer: 'https://www.osn.com'
+  })
+})
+
 it('can generate valid url', () => {
   const result = url()
   expect(result).toBe(