[misc] Updated README

README.md

@@ -13,6 +13,7 @@ RCFS is a collection of source codes to study robotics through simple 2D example
 | IK_num | Inverse kinematics with numerical computation for a planar manipulator | ✅ | ✅ |  |  |
 | FD | Forward Dynamics computed in matrix form for a planar manipulator | ✅ | ✅ |  |  |
 | FD_recursive | Forward Dynamics with recursive computation for a planar manipulator | ✅ | ✅ |  |  |
+| LQR_infHor | Infinite Horizon Linear quadratic regulator (LQR) applied to a point mass system | ✅ | ✅ |  |  |
 | LQT | Linear quadratic tracking (LQT) applied to a viapoint task (batch formulation) | ✅ | ✅ |  |  |
 | LQT_tennisServe | LQT in a ballistic task mimicking a bimanual tennis serve problem (batch formulation) | ✅ |  |  |  |
 | LQT_recursive | LQT applied to a viapoint task with a recursive formulation based on augmented state space to find a controller) | ✅ | ✅ |  |  |