Added readme to github repostiroy

README.md

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+# Church Autostream
+The goal of this project is to fully automatically stream a church service without any user input required. This is for people who do not understand how a computer works but still want to join the service. 
+
+See https://wiki.herreweb.nl/e/en/Projects/Church_AutoStream for an extended overview of the project.
+
+### Basic setup overview
+Each person who wants a setup at our church will receive a prepared RPI4, which will be used to automatically run this script on startup.
+
+### Requirements
+Any computer that can run a recent browser and python3. I highly recommend a Linux OS and even better a RPI.
+
+## Adding streaming service
+Both Youtube and Kerkdienstgemist are provided as streaming service in this auto streamer. However, if you want to implement your own streamer for a different streaming service you can do that by adding a file to **streaming** with code for the streaming service. You will need to create class that inherits the <span style="color:green">StreamService</span> class in **streaming/base_stream.py** and add the following functions:
+
+```
+class NewStreamingService:
+    def __init__(self, churchid) -> None:
+        pass
+
+    def livestream_url(self):
+        #Code to get livestream url
+        
+    def post_load_actions(self, driver):
+        # Actions to do after loading the page. Like clicking on the video to start playing.
+```
+Next you will need to tell the streamer to use this service when specified in the config. Edit **streamer.py** and add the line according to your service
+```
+    elif self.streaming_method == "yourservice":
+        self.stream_service = NewStreamingService(churchid)
+```
+You will also need to specify this service your **config** file.
+
+
+
+## Todo
+* Add fallback option for the streamer. For example: If youtube does not work, fall back to KDG