Merge branch '3-create-a-simulation-in-gazebo-of-the-quadruped-robot-and-intergrate-the-event-camera' into 'master'

Resolve "Create a simulation in Gazebo of the quadruped robot and intergrate the event camera"

Closes #3

See merge request !3

Merge branch '2-using-gazebo-and-ros-complete-the-labs-for-the-robotics-course-in-sem-2' into 'master'

Resolve "Using Gazebo and ROS complete the labs for the robotics course in sem/2"

Closes #2

See merge request !2

Merge branch '2-using-gazebo-and-ros-complete-the-labs-for-the-robotics-course-in-sem-2' into 'master'

Resolve "Using Gazebo and ROS complete the labs for the robotics course in sem/2"

Closes #2

See merge request !1

Exercise 4 partially working, needs update to the frequency; Better solution is to put all this in a class