Documented weekSettings opt in DateTime

Added weekSettings option in the doc for the following methods in DateTime
1. fromMillis
2. fromSeconds
3. fromObject
4. fromISO
5. fromRFC2822
6. fromHTTP
7. fromFormat
8. fromSQL

src/datetime.js

@@ -630,6 +630,7 @@ export default class DateTime {
    * @param {string} [options.locale] - a locale to set on the resulting DateTime instance
    * @param {string} [options.outputCalendar] - the output calendar to set on the resulting DateTime instance
    * @param {string} [options.numberingSystem] - the numbering system to set on the resulting DateTime instance
+   * @param {string} [options.weekSettings] - the week settings to set on the resulting DateTime instance
    * @example DateTime.utc()                                              //~> now
    * @example DateTime.utc(2017)                                          //~> 2017-01-01T00:00:00Z
    * @example DateTime.utc(2017, 3)                                       //~> 2017-03-01T00:00:00Z
@@ -682,6 +683,7 @@ export default class DateTime {
    * @param {string} [options.locale] - a locale to set on the resulting DateTime instance
    * @param {string} options.outputCalendar - the output calendar to set on the resulting DateTime instance
    * @param {string} options.numberingSystem - the numbering system to set on the resulting DateTime instance
+   * @param {string} options.weekSettings - the week settings to set on the resulting DateTime instance
    * @return {DateTime}
    */
   static fromMillis(milliseconds, options = {}) {
@@ -709,6 +711,7 @@ export default class DateTime {
    * @param {string} [options.locale] - a locale to set on the resulting DateTime instance
    * @param {string} options.outputCalendar - the output calendar to set on the resulting DateTime instance
    * @param {string} options.numberingSystem - the numbering system to set on the resulting DateTime instance
+   * @param {string} options.weekSettings - the week settings to set on the resulting DateTime instance
    * @return {DateTime}
    */
   static fromSeconds(seconds, options = {}) {
@@ -745,6 +748,7 @@ export default class DateTime {
    * @param {string} [opts.locale='system\'s locale'] - a locale to set on the resulting DateTime instance
    * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance
    * @param {string} opts.numberingSystem - the numbering system to set on the resulting DateTime instance
+   * @param {string} opts.weekSettings - the week settings to set on the resulting DateTime instance
    * @example DateTime.fromObject({ year: 1982, month: 5, day: 25}).toISODate() //=> '1982-05-25'
    * @example DateTime.fromObject({ year: 1982 }).toISODate() //=> '1982-01-01'
    * @example DateTime.fromObject({ hour: 10, minute: 26, second: 6 }) //~> today at 10:26:06
@@ -874,6 +878,7 @@ export default class DateTime {
    * @param {string} [opts.locale='system's locale'] - a locale to set on the resulting DateTime instance
    * @param {string} [opts.outputCalendar] - the output calendar to set on the resulting DateTime instance
    * @param {string} [opts.numberingSystem] - the numbering system to set on the resulting DateTime instance
+   * @param {string} [opts.weekSettings] - the week settings to set on the resulting DateTime instance
    * @example DateTime.fromISO('2016-05-25T09:08:34.123')
    * @example DateTime.fromISO('2016-05-25T09:08:34.123+06:00')
    * @example DateTime.fromISO('2016-05-25T09:08:34.123+06:00', {setZone: true})
@@ -895,6 +900,7 @@ export default class DateTime {
    * @param {string} [opts.locale='system's locale'] - a locale to set on the resulting DateTime instance
    * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance
    * @param {string} opts.numberingSystem - the numbering system to set on the resulting DateTime instance
+   * @param {string} opts.weekSettings - the week settings to set on the resulting DateTime instance
    * @example DateTime.fromRFC2822('25 Nov 2016 13:23:12 GMT')
    * @example DateTime.fromRFC2822('Fri, 25 Nov 2016 13:23:12 +0600')
    * @example DateTime.fromRFC2822('25 Nov 2016 13:23 Z')
@@ -915,6 +921,7 @@ export default class DateTime {
    * @param {string} [opts.locale='system's locale'] - a locale to set on the resulting DateTime instance
    * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance
    * @param {string} opts.numberingSystem - the numbering system to set on the resulting DateTime instance
+   * @param {string} opts.weekSettings - the week settings to set on the resulting DateTime instance
    * @example DateTime.fromHTTP('Sun, 06 Nov 1994 08:49:37 GMT')
    * @example DateTime.fromHTTP('Sunday, 06-Nov-94 08:49:37 GMT')
    * @example DateTime.fromHTTP('Sun Nov  6 08:49:37 1994')
@@ -935,6 +942,7 @@ export default class DateTime {
    * @param {boolean} [opts.setZone=false] - override the zone with a zone specified in the string itself, if it specifies one
    * @param {string} [opts.locale='en-US'] - a locale string to use when parsing. Will also set the DateTime to this locale
    * @param {string} opts.numberingSystem - the numbering system to use when parsing. Will also set the resulting DateTime to this numbering system
+   * @param {string} opts.weekSettings - the week settings to set on the resulting DateTime instance
    * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance
    * @return {DateTime}
    */
@@ -973,6 +981,7 @@ export default class DateTime {
    * @param {boolean} [opts.setZone=false] - override the zone with a zone specified in the string itself, if it specifies one
    * @param {string} [opts.locale='en-US'] - a locale string to use when parsing. Will also set the DateTime to this locale
    * @param {string} opts.numberingSystem - the numbering system to use when parsing. Will also set the resulting DateTime to this numbering system
+   * @param {string} opts.weekSettings - the week settings to set on the resulting DateTime instance
    * @param {string} opts.outputCalendar - the output calendar to set on the resulting DateTime instance
    * @example DateTime.fromSQL('2017-05-15')
    * @example DateTime.fromSQL('2017-05-15 09:12:34')