change asset src's to S3 links (#1734)

* add disclaimer about changing the script

* add hash for obsolete browser script

* add explicit domain img-src

* add single quotes

* add quotes to `data:`

* change order and remove single quotes

* lint, remove extra slash, and make hash an array

* add links to S3

client/configuration/webpack/obsoleteHTMLTemplate.html

@@ -21,7 +21,7 @@
   "
 >
   <img
-    src="https://raw.githubusercontent.com/chanzuckerberg/cellxgene/main/docs/cellxgene-logo.png"
+    src="https://cellxgene.cziscience.com/s3/cellxgene/static/images/cellxgene-logo.png"
     style="width: 320px;"
   />
   <div
@@ -51,28 +51,28 @@
         aria-label="Download Google Chrome"
       >
         <img
-          src="https://assets.beta.meta.org/images/browsers/chrome.png"
+          src="https://cellxgene.cziscience.com/s3/cellxgene/static/images/chrome.png"
           style="width: 80px; height: 80px;"
         />
         <div>Chrome &gt; 60</div>
       </a>
       <a href="https://www.apple.com/safari/" aria-label="Download Safari">
         <img
-          src="https://assets.beta.meta.org/images/browsers/safari.png"
+          src="https://cellxgene.cziscience.com/s3/cellxgene/static/images/safari.png"
           style="width: 80px; height: 80px;"
         />
         <div>Safari ≥ 10.1</div>
       </a>
       <a href="https://www.mozilla.com/firefox/" aria-label="Download Firefox">
         <img
-          src="https://assets.beta.meta.org/images/browsers/firefox.png"
+          src="https://cellxgene.cziscience.com/s3/cellxgene/static/images/firefox.png"
           style="width: 80px; height: 80px;"
         />
         <div>Firefox ≥ 60</div>
       </a>
       <a href="//www.microsoft.com/edge" aria-label="Download Edge">
         <img
-          src="https://assets.beta.meta.org/images/browsers/edge.png"
+          src="https://cellxgene.cziscience.com/s3/cellxgene/static/images/edge.png"
           style="width: 80px; height: 80px;"
         />
         <div>Edge ≥ 15</div>