Add verticalAlign getter/setter types

konva.d.ts

@@ -1022,6 +1022,8 @@ declare namespace Konva {
     fontVariant(fontVariant: string): this;
     align(): string;
     align(align: string): this;
+    verticalAlign(): string;
+    verticalAlign(verticalAlign: string): this;
     padding(): number;
     padding(padding: number): this;
     lineHeight(): number;