Update README.md

Author: parakh08

README.md

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 # FollowMe
 This is the FollowMe mode for Parrot Bebop 2 which is to be used using its ROS SDK. The Darknet Ros was trained on Aerial Robotics Lab logo for being able to detect and track the logo. The move_in_circle folder contains most of the required things. The use of each file is explained below.
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 Make a package in bebop workspace and add these files over there to run them.
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 around.cpp     -  make the parrot drone revolve in circular motion without any yaw and without pid tuning.
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 camViewMat.cpp -  track a particular area you select by takin input from bebop camera.
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 circle.cpp     -  make bebop rotate at same point by taking input from odom and tuning p parameter.
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 line.cpp       -  make bebop go in a straight line by taking input from odom and tuning p parameters.
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 vel_pub.cpp    -  see the tracking area and move parrot accordingly
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 yaw_mot.cpp    -  make bebop rotate in circular motion by also giving its yaw.