[Glitch] Add edit history to web UI

Port fd3a45e348 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/flavours/glitch/components/loading_indicator.js

@@ -1,10 +1,31 @@
 import React from 'react';
-import { FormattedMessage } from 'react-intl';
+import PropTypes from 'prop-types';
+
+export const CircularProgress = ({ size, strokeWidth }) => {
+  const viewBox = `0 0 ${size} ${size}`;
+  const radius  = (size - strokeWidth) / 2;
+
+  return (
+    <svg width={size} heigh={size} viewBox={viewBox} className='circular-progress' role='progressbar'>
+      <circle
+        fill='none'
+        cx={size / 2}
+        cy={size / 2}
+        r={radius}
+        strokeWidth={`${strokeWidth}px`}
+      />
+    </svg>
+  );
+};
+
+CircularProgress.propTypes = {
+  size: PropTypes.number.isRequired,
+  strokeWidth: PropTypes.number.isRequired,
+};
 
 const LoadingIndicator = () => (
   <div className='loading-indicator'>
-    <div className='loading-indicator__figure' />
-    <FormattedMessage id='loading_indicator.label' defaultMessage='Loading...' />
+    <CircularProgress size={50} strokeWidth={6} />
   </div>
 );