Cleanup, Polishing & Improvements

[Konrad1991]

• update docu (for the chemotion ELN website) and logo --> Shashank
• handle larger datatsets with many columns. Several pages for buttons are required
• elongate results with replay history
• remove package start up messages if possible
• use a css file instead of hard coded stuff
• create a render df based on size of df
• ad check that render is only done for new results