updated Mesh.CreateSphere : added arc and slice parameters

src/Mesh/babylon.mesh.ts

@@ -1399,7 +1399,7 @@
         }
 
         public static CreateSphere(name: string, segments: number, diameter: number, scene?: Scene, updatable?: boolean, sideOrientation?: number): Mesh;
-        public static CreateSphere(name: string, options: { segments?: number, diameter?: number, diameterX?: number, diameterY?: number, diameterZ?: number, sideOrientation?: number, updatable?: boolean }, scene: any): Mesh;
+        public static CreateSphere(name: string, options: { segments?: number, diameter?: number, diameterX?: number, diameterY?: number, diameterZ?: number, arc?: number, slice?: number, sideOrientation?: number, updatable?: boolean }, scene: any): Mesh;
         public static CreateSphere(name: string, options: any, diameterOrScene: any, scene?: Scene, updatable?: boolean, sideOrientation: number = Mesh.DEFAULTSIDE): Mesh {
             if (diameterOrScene instanceof Scene) {
                 scene = diameterOrScene;