update ur control ReadMe

Author: hganchev

src/pyURControl/ReadMe.md

@@ -4,9 +4,20 @@ Contains 1 class:
 controlling the robot behavior.
 
 ## Functions
-
+- init(ip) - initializes the robot connection
+- power_on() - powers on the robot
+- brake_release() - releases the robot brakes
+- set_tcp(tcp) - sets the tool center point
+- set_payload(mass, cog, inertia) - sets the payload
+- move_joint_with_pose(joints, a=1.4, v=1.05) - moves the robot to the specified joint position
+- move_linear_pose(pose, a=1.2, v=0.25) - moves the robot to the specified pose
 
 ## Implementation
 ```python
+from pyURControl import ur_control
+```
 
+## Usage
+```python
+ur_control.init("ROBOT_IP")
 ```