Added documentation

source/resource/materials/materials.json

@@ -3,9 +3,10 @@
   "$id": "blockception.minecraft.materials",
   "type": "object",
   "title": "Material",
-  "description": "UNDOCUMENTED",
+  "description": "A collection of material specifications for the render engine of minecraft",
   "$comment": "UNDOCUMENTED",
   "additionalProperties": false,
+  "required": ["materials"],
   "definitions": {
     "DefinesSpecification": {
       "type": "array",
@@ -266,7 +267,7 @@
     "materials": {
       "type": "object",
       "title": "Materials",
-      "description": "UNDOCUMENTED",
+      "description": "The collection of materials, each property key is the identification key of the material, and what it implements if : are used",
       "$comment": "UNDOCUMENTED",
       "required": ["version"],
       "properties": {