Added images caching for offline use.

Cached the svgs for offline use.

index.html

@@ -1,5 +1,5 @@
 <!doctype html>
-<html class="no-js" lang="">
+<html class="no-js" lang="" manifest="site.manifest">
     <head>
         <meta charset="utf-8">
         <meta http-equiv="x-ua-compatible" content="ie=edge">

site.manifest

@@ -0,0 +1,9 @@
+CACHE MANIFEST
+ 
+images/2halflbs-Plate.svg
+images/5lbs-Plate.svg
+images/10lbs-Plate.svg
+images/25lbs-Plate.svg
+images/35lbs-Plate.svg
+images/45lbs-Plate.svg
+images/BarBell.svg

site.webmanifest

@@ -1,6 +1,6 @@
 {
-    "name": "",
+    "name": "Lift It &#x1F4AA",
-    "short_name": "",
+    "short_name": "Lift It &#x1F4AA",
     "icons": [
         {
             "src": "/android-chrome-192x192.png",