code: function buildRouteTableAssociation(name, position) {
    const cfName = `${name}RouteTableAssociation${position}`;
    return {
      [cfName]: {
        Type: 'AWS::EC2::SubnetRouteTableAssociation',
        Properties: {
          RouteTableId: {
            Ref: `${name}RouteTable${position}`,
          },
          SubnetId: {
            Ref: `${name}Subnet${position}`,
          },
        },
      },
    };
  }
docs: Build a RouteTableAssociation
  
  @param {String} name
  @param {Number} position
  @return {Object}