Merge branch '326-start-the-week-on-monday-in-calendar' into 'master'

changes the first day of week to monday, calendar now also uses app text styling

Closes #326

See merge request bloodyhealth/drip!194

components/calendar.js

 import React, { Component } from 'react'
 import { CalendarList } from 'react-native-calendars'
-import {LocalDate} from 'js-joda'
+import { LocalDate } from 'js-joda'
 import { getBleedingDaysSortedByDate } from '../db'
 import cycleModule from '../lib/cycle'
-import {shadesOfRed} from '../styles/index'
+import { shadesOfRed, calendarTheme } from '../styles/index'
 import styles from '../styles/index'
 import nothingChanged from '../db/db-unchanged'
 
@@ -52,6 +52,9 @@ export default class CalendarView extends Component {
           )
         }
         markingType={'custom'}
+        // If firstDay=1 week starts from Monday. Note that dayNames and dayNamesShort should still start from Sunday.
+        firstDay={1}
+        theme={calendarTheme}
       />
     )
   }

styles/index.js

@@ -26,6 +26,16 @@ const defaultIndentation = 10
 const defaultTopMargin = 10
 const colorInActive = '#666666'
 
+export const calendarTheme = {
+  textDayFontFamily: textFont,
+  textMonthFontFamily: textFontBold,
+  textDayHeaderFontFamily: textFont,
+  textDayFontSize: regularSize,
+  textMonthFontSize: regularSize,
+  textDayHeaderFontSize: hintSize,
+  textSectionTitleColor: 'grey'
+}
+
 export default StyleSheet.create({
   appText: {
     color: 'black',