Add frontend assets and plugin bundles

Add the legacy frontend themes, scripts, and plugin assets required by the main SPOTA interfaces.

assets/plugins/sweetalert/example/images/te-logo-small.svg

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg width="14px" height="11px" viewBox="0 0 14 11" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:sketch="http://www.bohemiancoding.com/sketch/ns">
+    <!-- Generator: Sketch 3.0.4 (8053) - http://www.bohemiancoding.com/sketch -->
+    <title>te-logo-small</title>
+    <desc>Created with Sketch.</desc>
+    <defs></defs>
+    <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd" sketch:type="MSPage">
+        <g id="Website" sketch:type="MSArtboardGroup" transform="translate(-520.000000, -1871.000000)" fill="#AFC1C9">
+            <path d="M526.768,1871.832 L524.416,1871.832 L524.416,1881.672 L523.488,1881.672 L523.488,1871.832 L520,1871.832 L520,1871 L527.336,1871 L533.536,1871 L533.536,1871.832 L527.68,1871.832 L527.68,1875.784 L533.424,1875.784 L533.424,1876.616 L527.68,1876.616 L527.68,1880.84 L533.536,1880.84 L533.536,1881.672 L526.768,1881.672 L526.768,1871.832 Z" id="te-logo-small" sketch:type="MSShapeGroup"></path>
+        </g>
+    </g>
+</svg>