Created custom icons for format/compact

src/jsoneditor/components/menu/TextModeMenu.js

@@ -3,13 +3,33 @@ import DropDown from './DropDown'
 import PropTypes from 'prop-types'
 
 import fontawesome from '@fortawesome/fontawesome'
-import faAlignLeft from '@fortawesome/fontawesome-free-solid/faAlignLeft'
-import faAlignJustify from '@fortawesome/fontawesome-free-solid/faAlignJustify'
 import faScrewdriver from '@fortawesome/fontawesome-free-solid/faScrewdriver'
 
 import './Menu.css'
 
-fontawesome.library.add(faAlignLeft, faAlignJustify, faScrewdriver)
+const faCompact = {
+  prefix: 'fa',
+  iconName: 'compact',
+  icon: [
+    16, 16,
+    [],
+    null,
+    'm 0,2 0,2 16,0 0,-2 m -16,4 0,2 16,0 0,-2 m -16,4 0,2 9,0 0,-2'
+  ]
+}
+
+const faFormat = {
+  prefix: 'fa',
+  iconName: 'format',
+  icon: [
+    16, 16,
+    [],
+    null,
+    'm 0,2 0,2 12,0 0,-2 m -6,4 0,2 10,0 0,-2 m -10,4 0,2 9,0 0,-2 m -15,4 0,2 10,0 0,-2'
+  ]
+}
+
+fontawesome.library.add(faCompact, faFormat, faScrewdriver)
 
 export default class TreeModeMenu extends PureComponent {
 
@@ -54,13 +74,13 @@ export default class TreeModeMenu extends PureComponent {
           className: 'jsoneditor-format',
           title: 'Format the JSON document',
           onClick: this.props.onFormat
-        }, h('i', {className: 'fa fa-align-left'})),
+        }, h('i', {className: 'fa fa-format'})),
         h('button', {
           key: 'compact',
           className: 'jsoneditor-compact',
           title: 'Compact the JSON document',
           onClick: this.props.onCompact
-        }, h('i', {className: 'fa fa-align-justify'})),
+        }, h('i', {className: 'fa fa-compact'})),
         h('button', {
           key: 'repair',
           className: 'jsoneditor-repair',