fix: use custom eiement instead of span

BREAKING CHANGE: The OutputData of older version has not been supported.

Author: hata6502

docs/index.html

@@ -20,7 +20,7 @@
             type: 'paragraph',
             data: {
               text:
-                'editorjs-<span class="editorjs-style" style="background-color: pink;">​style​</span> test<br><br><span class="editorjs-style" style="display: block;\nborder: 1px solid black;">​<span class="editorjs-style" style="float: left;\nwidth: 200px;\nbackground-color: lightgray;\nmargin-right: 1rem;">​float: left;​​<br>Floated content.&nbsp;</span>Advanced usage with floated block.&nbsp;<span style="background-color: rgb(255, 255, 255); color: rgb(32, 33, 34); font-family: sans-serif; font-size: 15.104px;">Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</span></span>',
+                'editorjs-<editorjs-style style="background-color: pink;">​style​</span> test<br><br><editorjs-style style="display: block;\nborder: 1px solid black;">​<editorjs-style style="float: left;\nwidth: 200px;\nbackground-color: lightgray;\nmargin-right: 1rem;">​float: left;​​<br>Floated content.&nbsp;</span>Advanced usage with floated block.&nbsp;<span style="background-color: rgb(255, 255, 255); color: rgb(32, 33, 34); font-family: sans-serif; font-size: 15.104px;">Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.</span></span>',
             },
           },
         ],