Enhanced schema descriptions

[alek-mongodb]

Extend existing request/response Body section of aglio docs by specifying:

• integer range
• default values
• string format value
• string pattern

[alek-mongodb]

Ticks first three boxes: b5fbbec

Example:

{
  foo: BOOLEAN (default: true),
  barDate: STRING (date-time),
  baz: INTEGER[1..42]
}

[alek-mongodb]

Ticks the string pattern box: eb20f16
Example:

{
    time: STRING (pattern: '^([01]\d|2[0-3]):?([0-5]\d)$')
}