message: Update incorrect docs
  start => startDate, end => endDate, remove leading 0s
diff: @@ -24,51 +24,58 @@ Pass in the cohorts:
  ```
  ```typescript
  - public cohorts: TsDateCohort = [{
  +cohorts: TsDateCohort[] = [
  + {
  display: 'Last full year',
  range: {
  - start: new Date(2018, 01, 01),
  - end: new Date(2018, 12, 31),
  + startDate: new Date(2018, 1, 1),
  + endDate: new Date(2018, 12, 31),
  + },
  },
  - }, {
  + {
  display: 'Last full month',
  range: {
  - start: new Date(2019, 08, 01),
  - end: new Date(2019, 08, 31),
  + startDate: new Date(2019, 8, 1),
  + endDate: new Date(2019, 8, 31),
  },
  - }, {
  + },
  + {
  display: 'Custom dates',
  range: {
  - start: '',
  - end: '',
  + startDate: '',
  + endDate: '',
  + },
  },
  - }];
  +];
  ```
  NOTE: The keys inside the passed in `cohorts` object defined as `TsDateCohort` interface has to be in the form of
  +
  ```typescript
  +{
  display: string,
  range: {
  - start: Date | string,
  - end: Date | string,
  + startDate: Date | string,
  + endDate: Date | string,
  + }
  }
  ```
  -NOTE: For any custom dates which allows user to select a date from date
  -range selection would need to pass in start and end date with empty string:
  +NOTE: For any custom dates which allows user to select a date from date range selection would need to pass in start and end date with empty string:
  +
  ```typescript
  {
  display: 'Custom Dates',
  range: {
  - start: '',
  - end: '',
  + startDate: '',
  + endDate: '',
  }
  }
  ```
  ## Event driven
  -The event that's tied into this component is `cohortDateRangeChanged`.
  +Anytime the date range is changed, `cohortDateRangeChanged` is emitted.
  ```html
  <ts-cohort-date-range
  @@ -77,13 +84,13 @@ The event that's tied into this component is `cohortDateRangeChanged`.
  ></ts-cohort-date-range>
  ```
  -`cohortDateRangeChanged` is fired off when the date range changes.
  ## Inputs to the component
  ### allowCustomDates
  `allowCustomDates` defaults to `true`. When set to `false`, date range is readonly.
  +
  ```html
  <ts-cohort-date-range
  [allowCustomDates]="allowCustomDates"
  