Update README.md

Author: CodeMaster7000

README.md

@@ -3,3 +3,13 @@
 ## About
 
 A Blender Addon that sets the focal point of the active camera to the 3D cursor.
+
+## Prerequisites
+
+- Python 3
+- Blender 2.8.1 or higher
+
+## Implementation
+
+1. In Blender, navigate to File > User Preferences > Addons > Install from file. 
+2. Navigate to "Focus_To_Cursor_Blender_Addon.py" and install.