TitlePosition API in Vue Chart3d API component

Defines the position of the title. They are:

• Top - Displays the title on the top of chart.
• Left - Displays the title on the left of chart.
• Bottom - Displays the title on the bottom of chart.
• Right - Displays the title on the right of chart.
• Custom - Displays the title based on given x and y value.
• Top
• Right
• Bottom
• Left
• Custom