Update readme

Author: MoralCode

README.md

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+![ClassClock Icon](./icons/classclockicon-512.png)
+
 # ClassClock
+
+
+## What is ClassClock?
+ClassClock is a web app to give students and teachers easy access to:
+- current date and time
+- daily schedules (You are on the Mon/Tues Schedule)
+- the class period you are currently in (i.e. 2nd Period)
+- a countdown until class is over
+- the generic name of your next class (i.e. 3rd Period)
+
+ClassClock is useful for:
+- **Teachers** - to check how much teaching time is left in class
+- **Students** - to remind themselves of  where they need to be and when
+- **Parents** - to see the optimal time to contact their student without interfering with instruction time
+- **Everyone** - to have quick and easy access to varied schedules that may otherwise be complicated, confusing or hard to remember
+
+
+### Upcoming Features
+Here are some features to look forward to in a future version:
+ 
+ - [ ] Support for multiple schools (currently only supports one)
+ - [ ] Detection of block (A/B) schedules
+ - [ ] Countdown to school breaks (winter break, spriing break, summer .etc)
+ - [ ] Support for custom schedules (assemblies, parades, combined schedules etc.)
+ - [ ] The ability to change what is displayed
+ - [ ] The ability for students to upload their schedules to get more detailed information such as teacher name and room number
+
+
+
+
+## How to install?
+
+ClassTime is a web-based app that can be saved to your phone's home screen or bookmarked in your browser for easy access. 
+
+### iOS
+
+1. Navigate to https://classclock.app in Safari (not tested on other browsers)
+2. Click the "Share" or "Action" button (it looks like a square with an arrow pointing up out of the top) 
+3. Click "Add to Home Screen" on the bottom row (you might have to scroll sideways to see it)
+4. Click "Done" in the top corner of the screen to add it to your home screen.
+
+
+### Android
+
+1. Navigate to https://classclock.app (instructions for Google Chrome)
+2. Click the "Overflow" button on the top right of your screen (it looks like three vertical dots) 
+3. Click "Add to Home Screen" button in the menu (it's about 2/3 of the way down)
+4. Click "Add" in the dialog box that pops up to add it to your home screen.