[Task] Markdown Examples under textarea

* CSS file Created
* JavaScript for Toogle Created
* Examples from typo3wiki on Forge moved to edit.html template

Change-Id: I057c64b4814663ad7686c1656e71efbfd64cbfe8
Resolves: #54150
Refs: #41966
[Feature] Informationbox

Enables blocks with own classes for wiki entries.

!!! className
MyText
!!!

Will be rendered as

<div class="className">MyText</div>

This solves also #42275 because:

!!! floatRight
{TOC}
!!!

is possible.

Delivered Classes right now: floatRight, floatLeft, clear

Change-Id: Iffd5e2a6fe330ed80506ebfd9d0b08648d829f94
Resolves: #42480 @1h
Resolves: #42275
Feature GoogleService included

Change-Id: Ibe5b78b88a1a950d0f8075e39c4784e82020c214