Update robots.html to include robotic dog image

Removed project listings and added an image of a robotic dog.

Author: shishirny

robots.html

@@ -1,40 +1 @@
----
-layout: default
-title: Research Projects
----
-<p>Our lab's research spans across various domains, ranging from hardware development to the creation of controllers utilizing Optimal Controls, learning-based controls, and safety-critical controls. 
-The following projects serve as a testament to this diverse spectrum of work.</p>
-
-<br>
-<br>
-
-<h2>Active Projects</h2>
-<div class="card-columns">
-    {% comment %}
-    Sort the projects by date, putting those without dates last
-    {% endcomment %}
-    {% assign projects_by_date = site.projects | sort: 'last-updated', 'first' %}
-    {% assign projects_by_date = projects_by_date | reverse %}
-    {% for p in projects_by_date %}
-        {% if p.status != "inactive" %}
-            {% include project-card.html project=p %}
-        {% endif %}
-    {% endfor %}
-</div>
-
-<br>
-<br>
-
-<h2>Completed Projects</h2>
-<div class="card-columns">
-    {% comment %}
-    Sort the projects by date, putting those without dates last
-    {% endcomment %}
-    {% assign projects_by_date = site.projects | sort: 'last-updated', 'first' %}
-    {% assign projects_by_date = projects_by_date | reverse %}
-    {% for p in projects_by_date %}
-        {% if p.status == "inactive" %}
-            {% include project-card.html project=p %}
-        {% endif %}
-    {% endfor %}
-</div>
+<img src="img/robots/robot_specs.png" alt="Robotic Dog">