Merge branch '139-next-period-reminder' into 'master'

Resolve "next period reminder"

Closes #139

See merge request bloodyhealth/drip!87

components/labels.js

@@ -57,6 +57,11 @@ export const settings = {
     timeSet: time => `Daily reminder set for ${time}`,
     notification: 'Record your morning temperature'
   },
+  periodReminder: {
+    title: 'Next period reminder',
+    reminderText: 'Get a notification 3 days before your next period is likely to start.',
+    notification: daysToEndOfPrediction => `Your next period is likely to start in 3 to ${daysToEndOfPrediction} days.`
+  },
   passwordSettings: {
     title: 'App password',
     explainerDisabled: "Encrypt the app's database with a password. You need to enter the password every time the app is started.",