Merge pull request #7832 from lukeplowden/model-params

update the model params to be correct for 2.0 in docs and FES

Author: ksen0

docs/parameterData.json

@@ -2741,6 +2741,10 @@
       "overloads": [
         [
           "p5.Geometry"
+        ],
+        [
+          "p5.Geometry",
+          "Number"
         ]
       ]
     },

src/webgl/loading.js

@@ -987,6 +987,7 @@ function loading(p5, fn){
    * @method model
    * @param  {p5.Geometry} model 3D shape to be drawn.
    *
+   * @param {Number} count number of instances to draw.
    * @example
    * <div>
    * <code>