Update intents and entities

[Oliver-I]

• Improvements to intents and entities

• Internal Off-Topic/Mark as Irrelevant feature added to the workspace

  • Off-topic intent removed

• Option selection for amenity now uses @sys-number in addition to @option

  • Numeric values removed from entity @option as @sys-number handles numeric values
  • If an option above 5 is chosen, user is asked to provide a valid value (system only shows 5 results on map)

• Locate restaurant now asks when user wants to travel to the restaurant

  • Date/time displayed when user provides a date/time

• Time displayed in response for query "What's the time?"

  • Uses server system time, not user's local time

[codecov-io]

Codecov Report

Merging #71 into master will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##             master      #71   +/-   ##
=========================================
  Coverage     13.15%   13.15%           
  Complexity       12       12           
=========================================
  Files            10       10           
  Lines           266      266           
  Branches         29       29           
=========================================
  Hits             35       35           
  Misses          224      224           
  Partials          7        7

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