update project links and add project images

Author: trushant05

_pages/projects.html

@@ -11,7 +11,7 @@
 
   <div class="card h-100 d-flex flex-column justify-content-between">
     <a href="https://trushant-adeshara-um.github.io/projects/project-3">
-      <img class="card-img-top mx-auto" src="">
+      <img class="card-img-top mx-auto" src="/images/projects/eyrc/eyrc_pv.jpg">
     </a>
     <div class="card-body d-flex flex-column">
       <h4 class="card-title text-center"> Jetson Mate Cluster </h4>
@@ -32,7 +32,7 @@ <h4 class="card-title text-center"> Jetson Mate Cluster </h4>
 
   <div class="card h-100 d-flex flex-column justify-content-between">
     <a href="https://trushant-adeshara-um.github.io/projects/project-2">
-      <img class="card-img-top mx-auto" src="">
+      <img class="card-img-top mx-auto" src="/images/projects/ros_rover/sa_pv.jpg">
     </a>
     <div class="card-body d-flex flex-column">
       <h4 class="card-title text-center"> ROS Rover </h4>
@@ -53,7 +53,7 @@ <h4 class="card-title text-center"> ROS Rover </h4>
 
   <div class="card h-100 d-flex flex-column justify-content-between">
     <a href="https://trushant-adeshara-um.github.io/projects/project-1">
-      <img class="card-img-top mx-auto" src="">
+      <img class="card-img-top mx-auto" src="/images/projects/jetson_mate/m_pv.jpg">
     </a>
     <div class="card-body d-flex flex-column">
       <h4 class="card-title text-center"> eYantra Robotics Competition </h4>