Apps script data entry form

// Code Example 7.2
/**
* Create a simple data entry form that collects
* two text values and writes them to the active sheet.
* See also "index.html" in code example ch07.html

reference:

Code Example 7.2
https://github.com/Rotifer/GoogleSpreadsheetProgramming_2015/blob/master/ch07.html
https://github.com/Rotifer/GoogleSpreadsheetProgramming_2015/blob/master/ch07.gs