Update README.md

apps/regattatimer/README.md

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-require("locale").name
+Regatta Timer with 5-4-1 countdown
 
-Go to: https://banglejs.com/apps/
-Search for app: Languages
-Click The arrow Up or burger icon
-Choose your language fro the dropdown
-click "upload"
+Modes
+
+- Idle mode
+  
+  On startup the application is in idle mode showing a large 5 in the centre of the screen.
+  Click the button to switch to start mode.
+
+- Start mode
+
+  Countdown from 5 minutes to 0. During the countdown, the screen changes layout several
+  several times to use as much space as possible to display the numbers.
+  When 0 is reached, the buzzer sounds and the application switches to race mode.
+  A click on the button switches back to idle mode.
+
+- Race Mode
+
+  Race time, local time, SOA and number of GPS satellites available are displayed.
+  A click on the button switches to "stopped mode".
+
+- Stoped mode
+  A button click switches to idle mode.
+
+Localization
+- Go to: https://banglejs.com/apps/
+- Search for app: Languages
+- Click the "arrow up" or "burger" icon
+- Choose your language from the dropdown
+- Click "upload"
+
+© by https://naden.de