fix(html): remove wrong closing div-element
Merge branch 'docpad-site' of github.com:camunda/camunda.org into docpad-site

Conflicts:
	site/src/documents/design/modeler.html.eco
	site/src/documents/design/tutorial.html.eco
	site/src/documents/implement/cockpit.html.eco
	site/src/documents/implement/tasklist.html.eco
feat(favicon): Add favicon
Merge branch 'docpad-site' of github.com:camunda/camunda.org into docpad-site