A-Frame plugin: rename events to arready and arsessionended

docs/api/plugin-aframe.md

 
 The events below are emitted on the scene.
 
-### arstarted
+### arready
 
 The main loop of the AR scene has been set up. This takes place just after the AR session starts.
 
 
 **Details**
 
-* `ar: object`. A reference to the [ar](#ar) system.
+* `ar: object`. The [ar](#ar) system.
 
-### arfinished
+### arsessionended
 
 The AR session has ended.
 
 
 **Details**
 
-* `ar: object`. A reference to the [ar](#ar) system.
+* `ar: object`. The [ar](#ar) system.
 
 ### artargetfound
 
 **Details**
 
 * `referenceImage: ReferenceImage`. The [reference image](reference-image.md) that is linked to the target.
-* `ar: object`. A reference to the [ar](#ar) system.
+* `ar: object`. The [ar](#ar) system.
 
 ### artargetlost
 
 **Details**
 
 * `referenceImage: ReferenceImage`. The [reference image](reference-image.md) that is linked to the target.
-* `ar: object`. A reference to the [ar](#ar) system.
+* `ar: object`. The [ar](#ar) system.

plugins/aframe-with-encantar.js

         scene.setAttribute('renderer', { alpha: true });
 
         // pause the scene until we're ready
-        scene.addEventListener('arstarted', () => {
+        scene.addEventListener('arready', () => {
             scene.play();
         });
         scene.addEventListener('loaded', () => {
 
             // we're done!
             const scene = this.el;
-            scene.emit('arstarted', { ar: this });
+            scene.emit('arready', { ar: this });
             scene.emit('ar-started', { ar: this }); // backwards compatibility with 0.3.0 - 0.4.1
             return session;
         })
             this.frame = null;
             this.pointers.length = 0;
 
-            scene.emit('arfinished', { ar: this });
+            scene.emit('arsessionended', { ar: this });
         });
 
         session.viewport.addEventListener('resize', () => {