fix for nft aframe examples

Author: kalwalt

aframe/examples/image-tracking/nft-video/index.html

@@ -67,6 +67,7 @@
             <a-video
                 src="#vid"
                 position='50 150 -100'
+                rotation='90 0 180'
                 width='300'
                 height='175'
                 >

aframe/examples/image-tracking/nft/index.html

@@ -36,12 +36,12 @@
 
         <!-- use rawgithack to retrieve the correct url for nft marker (see 'pinball' below) -->
         <a-nft
-            type='nft' url='../trex/trex-image/trex'
+            type='nft' url='./aframe/examples/image-tracking/nft/trex/trex-image/trex'
             smooth='true' smoothCount='10' smoothTolerance='0.01' smoothThreshold='5'>
             <a-entity
-                gltf-model='../trex/scene.gltf'
+                gltf-model='./trex/scene.gltf'
                 scale="5 5 5"
-                position="50 150 -100"
+                position="150 300 -100"
                 >
             </a-entity>
         </a-nft>