[API] Add new endpoint with range between two dates

[rafaell-lycan]

Description

• User need to set two dates and separate by "/" (2015-10-15/2015-10-16)
• The first param need to be lt than second (/2015-10-15/2015-10-16)
• If user set other params, show a error message

[rafaell-lycan]

@wbruno

About validations:

Case 0. Default

• Return current status of Sabesp

Case 1. Select with Date

• Date format must be like YYYY-MM-DD;
• Date must be between 2003-01-01 until today;
• Return status about the specific date

Case 2. Range

• Date format must be like YYYY-MM-DD;
• Date must be between 2003-01-01 until today;
• The first date must be lower than the second
• Return status about the specific range

Possible routes

• /range?from=YYYY-MM-DD&to=YYYY-MM-DD)
• /range?begin=YYYY-MM-DD&end=YYYY-MM-DD
• /range/YYYY-MM-DD/YYYY-MM-DD