Method push

src/components/blocks.ts:117–120

* Push new Block to the blocks array and append it to working area * * @param {Block} block - Block to add

(block: Block)

   * @param {Block} block - Block to add
   */
  public push(block: Block): void {
    this.blocks.push(block);
    this.insertToDOM(block);
  }

  /**
   * Swaps blocks with indexes first and second