Update docs (#1280)

- Add category JSONs to organize model categories
- Make demo models taller on model pages (600px)

Author: thekevinscott

docs/docs/models/available/deblurring/_category_.json

@@ -0,0 +1,6 @@
+{
+  "position": 2,
+  "label": "Deblurring",
+  "collapsible": true,
+  "collapsed": true
+}

docs/docs/models/available/dehazing/_category_.json

@@ -0,0 +1,6 @@
+{
+  "position": 7,
+  "label": "Dehazing",
+  "collapsible": true,
+  "collapsed": false
+}

docs/docs/models/available/denoising/_category_.json

@@ -0,0 +1,6 @@
+{
+  "position": 3,
+  "label": "Denoising",
+  "collapsible": true,
+  "collapsed": true
+}

docs/docs/models/available/deraining/_category_.json

@@ -0,0 +1,6 @@
+{
+  "position": 6,
+  "label": "Deraining",
+  "collapsible": true,
+  "collapsed": false
+}

docs/docs/models/available/low-light-enhancement/_category_.json

@@ -0,0 +1,6 @@
+{
+  "position": 4,
+  "label": "Low Light Enhancement",
+  "collapsible": true,
+  "collapsed": false
+}

docs/docs/models/available/retouching/_category_.json

@@ -0,0 +1,6 @@
+{
+  "position": 5,
+  "label": "Retouching",
+  "collapsible": true,
+  "collapsed": true
+}

docs/docs/models/available/upscaling/_category_.json

@@ -0,0 +1,6 @@
+{
+  "position": 1,
+  "label": "Upscaling",
+  "collapsible": true,
+  "collapsed": false
+}

docs/src/components/codeEmbed/codeEmbed.module.scss

@@ -88,7 +88,7 @@ $dragger_bottom_padding: 10px;
     iframe {
       position: relative;
       width: 100%;
-      height: 400px;
+      height: 600px;
       left: 0;
       top: 0;
     }
@@ -97,7 +97,7 @@ $dragger_bottom_padding: 10px;
 
 iframe.iframe {
   width: 100%;
-  height: 400px;
+  height: 600px;
   z-index: 2;
   background: black;