Updating readme install instructions, and changing admin configuration location

Author: thaddeusmt

README.md

@@ -8,8 +8,23 @@ This can be used to allow AJAX and other requests to the Magento 2 REST API from
 
 ### 1. via composer
 
+Edit `composer.json`
+
+```
+{
+    "repositories": [
+        {
+            "type": "vcs",
+            "url": "https://github.com/splashlab/magento-2-cors-requests"
+        }
+    ],
+    "require": {
+        "splashlab/magento-2-cors-requests": "dev-master"
+    }
+}
+```
+
 ```
-composer require splashlab/magento-2-cors-requests
 php bin/magento setup:upgrade
 php bin/magento setup:static-content:deploy
 ```
@@ -25,6 +40,12 @@ php bin/magento setup:upgrade
 php bin/magento setup:static-content:deploy
 ```
 
+### 3. Update Origin URL
+
+In `Stores -> Configuration`, go to `General -> Web -> CORS Requests Configuration`.
+
+Then edit the the `CORS Origin Url` field to the domain you want to enable cross-domain requests from. (i.e. http://example.com)
+
 ## How does it work?
 
 The full implementation of CORS cross-domain HTTP requests is outside the scope of this README, but this is what this module does:
@@ -57,6 +78,7 @@ Not only can you create unlimited sliders but Product Slider module also allows
 - https://www.html5rocks.com/en/tutorials/cors/
 - https://stackoverflow.com/questions/29954037/how-to-disable-options-request
 - https://stackoverflow.com/questions/12320467/jquery-cors-content-type-options
+- https://github.com/magento/magento2/issues/8399
 
 
 

etc/adminhtml/system.xml

@@ -2,17 +2,11 @@
 <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Config:etc/system_file.xsd">
     <system>
-        <!--<tab id="corsRequests" translate="label" sortOrder="1000">-->
-        <!--<label>CORS Requests Configuration</label>-->
-        <!--</tab>-->
-        <section id="corsRequests" translate="label" type="text" sortOrder="100"
-                 showInDefault="1" showInWebsite="1" showInStore="1">
-            <label>CORS Requests Configuration</label>
-            <tab>service</tab>
+        <section id="web">
             <resource>SplashLab_CorsRequests::config</resource>
-            <group id="general" translate="label" type="text" sortOrder="10" showInDefault="1" showInWebsite="1"
+            <group id="corsRequests" translate="label" type="text" sortOrder="10" showInDefault="1" showInWebsite="1"
                    showInStore="1">
-                <label>General</label>
+                <label>CORS Requests Configuration</label>
                 <field id="origin_url" translate="label" type="text" sortOrder="40" showInDefault="1" showInWebsite="1"
                        showInStore="1">
                     <label>CORS Origin Url</label>
@@ -29,4 +23,4 @@
             </group>
         </section>
     </system>
-</config>
+</config>