chapter clients/browser and clients/desktop german and english modified for h-da

See merge request its/element-docs!7

Chapter 'first steps' and 'impotant setting' in german and english small...

See merge request its/element-docs!6

Chapter 'first steps' and 'impotant setting' in german and english small corrections in Text and screenis, now they are identical

11_Setup-Key_en.png deleted

See merge request its/element-docs!5

chapter "first steps" and "important settings" in english modified with h-da screenis and text

See merge request its/element-docs!4

englisch first step ipmages

See merge request its/element-docs!2

h-da screenis und h-da Text "first steps"

See merge request its/element-docs!1

Kapitel First Steps und wichtige Einstellungen (deutsch) idiotensicher formuliert und mit h-da screenis versehen. Sehr viele Text Umstellungen gegenüber dem Original. Englische Version muss noch genauso idiotensicher umgestellt werden.