Add manifest.json, icons and install button, flatten client/src

client/css/fontello.css

@@ -0,0 +1,62 @@
+@font-face {
+  font-family: 'fontello';
+  src: url('/font/fontello.woff2?48901973') format('woff2'),
+    url('/font/fontello.woff?48901973') format('woff');
+  font-weight: normal;
+  font-style: normal;
+}
+
+[class^='icon-']:before,
+[class*=' icon-']:before {
+  font-family: 'fontello';
+  font-style: normal;
+  font-weight: normal;
+  speak: none;
+
+  display: inline-block;
+  text-decoration: inherit;
+  width: 1em;
+  margin-right: 0.2em;
+  text-align: center;
+  /* opacity: .8; */
+
+  /* For safety - reset parent styles, that can break glyph codes*/
+  font-variant: normal;
+  text-transform: none;
+
+  /* fix buttons height, for twitter bootstrap */
+  line-height: 1em;
+
+  /* Animation center compensation - margins should be symmetric */
+  /* remove if not needed */
+  margin-left: 0.2em;
+
+  /* you can be more comfortable with increased icons size */
+  /* font-size: 120%; */
+
+  /* Font smoothing. That was taken from TWBS */
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+
+  /* Uncomment for 3D effect */
+  /* text-shadow: 1px 1px 1px rgba(127, 127, 127, 0.3); */
+}
+
+.icon-cancel:before {
+  content: '\e800';
+} /* '' */
+.icon-menu:before {
+  content: '\e801';
+} /* '' */
+.icon-cog:before {
+  content: '\e802';
+} /* '' */
+.icon-search:before {
+  content: '\e803';
+} /* '' */
+.icon-user:before {
+  content: '\f061';
+} /* '' */
+.icon-ellipsis:before {
+  content: '\f141';
+} /* '' */