update installation instructions

README.md

@@ -1,5 +1,34 @@
 # pandora_client - python client and libary to access a pan.do/ra instances
 
+Documentation at: https://code.0x2620.org/0x2620/pandora_client/wiki
+
+## Installation
+
+### Linux
+
+- install dependencies
+
+        sudo apt install python3 python3-pip git ffmpeg ffmpeg2theora
+
+- install pandora_client
+
+        sudo pip3 install pandora_client
+
+
+### macOS
+
+- install brew (https://brew.sh/)
+- install dependencies
+
+        brew instlal python3
+        brew instlal git
+        brew install libvpx libvorbis
+        brew install ffmpeg --with-libvpx --with-libvorbis --with-libopus
+
+- install pandora_client
+
+        pip3 install pandora_client
+
 
 ## pandora client example: