Added support for block quotes

app/components/Editor/Editor.js

@@ -304,7 +304,9 @@ const StyledEditor = styled(Editor)`
 
   blockquote {
     border-left: 3px solid #efefef;
+    margin: 1.2em 0;
     padding-left: 10px;
+    font-style: italic;
   }
 
   table {

app/components/Editor/components/Toolbar/BlockToolbar.js

@@ -89,6 +89,7 @@ class BlockToolbar extends Component {
     switch (type) {
       case 'heading1':
       case 'heading2':
+      case 'block-quote':
       case 'code':
         return this.insertBlock({ type });
       case 'horizontal-rule':
@@ -159,6 +160,7 @@ class BlockToolbar extends Component {
         {this.renderBlockButton('ordered-list', OrderedListIcon)}
         {this.renderBlockButton('todo-list', TodoListIcon)}
         <Separator />
+        {this.renderBlockButton('block-quote', Heading2Icon)}
         {this.renderBlockButton('code', CodeIcon)}
         {this.renderBlockButton('horizontal-rule', HorizontalRuleIcon)}
         {this.renderBlockButton('image', ImageIcon)}

app/components/Editor/components/Toolbar/components/FormattingToolbar.js

@@ -92,6 +92,7 @@ class FormattingToolbar extends Component {
         <Separator />
         {this.renderBlockButton('heading1', Heading1Icon)}
         {this.renderBlockButton('heading2', Heading2Icon)}
+        {this.renderBlockButton('block-quote', Heading2Icon)}
         <Separator />
         <ToolbarButton onMouseDown={this.handleCreateLink}>
           <LinkIcon light />

app/components/Editor/schema.js

@@ -9,6 +9,7 @@ const schema = {
     heading4: { marks: [''] },
     heading5: { marks: [''] },
     heading6: { marks: [''] },
+    'block-quote': { marks: [''] },
     table: {
       nodes: [{ types: ['table-row', 'table-head', 'table-cell'] }],
     },
@@ -31,6 +32,7 @@ const schema = {
           'heading4',
           'heading5',
           'heading6',
+          'block-quote',
           'code',
           'horizontal-rule',
           'image',