docs: add navigation and fleet gifs (#120)

Author: kishan-grewal

README.md

@@ -12,14 +12,18 @@
 
 # Mini Pupper ROS 2 Humble
 
-A comprehensive ROS 2 robotics platform for autonomous navigation, computer vision, and multi-robot coordination. Built for research, education, and development on Ubuntu 22.04 with ROS 2 Humble.
-
 <p align="left">
   <img src="imgs/mini_pupper_2.jpg" alt="Mini Pupper 2" width="480"/>
 </p>
 
+A comprehensive ROS 2 robotics platform for autonomous navigation, computer vision, and multi-robot coordination. Built for research, education, and development on Ubuntu 22.04 with ROS 2 Humble.
+
 ## Key Capabilities
 
+<p align="left">
+  <img src="imgs/mini_pupper_navigation_480_12.gif" alt="Navigation Demo" width="480"/>
+</p>
+
 ### SLAM & Autonomous Navigation
 Real-time mapping and path planning with ROS 2 Nav2 stack integration.  
 **[Documentation](mini_pupper_navigation/README.md)**

imgs/mini_pupper_navigation_480_12.gif

@@ -4,6 +4,10 @@ This ROS 2 package enables multi-robot operation for a group of Mini Pupper 2 ro
 
 The system combines fleet-level command coordination, IMU-based Extended Kalman Filter (EKF) pose estimation with attitude correction, and individual robot behaviour control to enable scalable multi-robot deployments.
 
+<p align="left">
+  <img src="media/mini_pupper_fleet_640_15.gif" alt="Fleet Demo" width="640"/>
+</p>
+
 ## Features
 
 - **Centralized Fleet Control** with `/cmd_vel` to distributed robot commands  

mini_pupper_fleet/README.md

@@ -10,6 +10,10 @@ Mini Pupper supports two key navigation capabilities:
 
 This navigation package depends on `mini_pupper_slam` to generate maps for real robot operation.
 
+<p align="left">
+  <img src="media/mini_pupper_navigation_640_15.gif" alt="Navigation Demo" width="640"/>
+</p>
+
 ## Architecture
 
 This implementation integrates several ROS 2 navigation components:

mini_pupper_fleet/media/mini_pupper_fleet_640_15.gif

@@ -14,8 +14,6 @@ It combines visual detection, multi-object tracking, and IMU-based motion contro
 
 ---
 
-## Demo
-
 ### Tracking Behaviour
 
 <p align="left">