Closing up issues I'd opened before (#286)

* - Add particles opaque

* - Add 16 stack size example

source/behavior/items/format/components/max_stack_size.json

@@ -3,7 +3,7 @@
   "title": "Max Stack Size",
   "description": "The max stack size component determines how many of the item can be stacked together.",
   "default": 64,
-  "examples": [1, { "value": 1 }],
+  "examples": [1, { "value": 1 }, 16, { "value": 16 }],
   "oneOf": [
     {
       "type": "number",

source/resource/particles/particles.json

@@ -101,7 +101,7 @@
               "properties": {
                 "material": {
                   "type": "string",
-                  "examples": ["particles_alpha", "particles_blend", "particles_add"],
+                  "examples": ["particles_alpha", "particles_blend", "particles_add", "particles_opaque"],
                   "description": " Minecraft material to use for emitter.",
                   "title": "Material"
                 },