Add plotting functionality

code/app/templates/plot.html

@@ -0,0 +1,8 @@
+{% extends "base.html" %}
+{% import 'bootstrap/wtf.html' as wtf %}
+
+{% block app_content %}
+<h1>Plot</h1>
+<img src="data:image/png;base64,{{ plot }}" alt="Image Placeholder">
+<p><a href="{{ url_for('plot_selection') }}">Back</a></p>
+{% endblock %}