Feat/218 get teamseasons update filter

[AleksandrMolchagin]

Description: Update the endpoint to retrieve teamSeasons with a new filter system (endDate and isWithinDateRange)

isWithinDateRange Enabled: Returns teamSeasons between the specified date and endDate. If the endDate is not provided, it returns all teamSeasons after the start date.

isWithinDateRange Disabled: Returns teamSeasons with the start date equal to date.

• [x] Update the endpoint to RAML
• [x] Implemented the API in teamseasons.xml
• [x] Updated Postman collection: GET /teamSeasons
• [x] Included RAML change in Exchange (branch 4.0.1)

RAML Link: Will be included in RAML 4.0.1 #222

RAML Specification:

/teamSeasons:
  post:
    description: Create a new TeamSeason
    body:
      application/json:
        type: types.TeamSeasonCreateModel
  get:
    description: Get TeamSeasons for given query params
    queryParameters:
      date:
        displayName: date
        description: TeamSeason Start Date
        type: date-only
        required: true
      endDate:
        displayName: endDate
        description: TeamSeason End Date (by default, today's date)
        type: date-only
        required: false
      isWithinDateRange:
        displayName: isWithinDateRange
        description: If **enabled**, returns `teamSeasons` between the start and end dates (If end date is not provided, returns all `teamSeasons` after the start date) If **disabled**, returns `teamSeasons` with start date equal to the give date.
        type: boolean
        required: false
    responses:
      200:
        body:
          application/json:
            type: types.TeamSeasonBaseModel[]

Test examples: {{base_url}}/teamSeasons?date=2019-01-01&endDate=2019-06-14&isWithinDateRange=true

{{base_url}}/teamSeasons?date=2019-01-01&isWithinDateRange=true

{{base_url}}/teamSeasons?date=2019-01-04

Screenshots of tests: