Add the progression graph!

[titouandelpech]

• Progression button now working
• Progression graph displaying
• Included dotted lines, adaptive scale, history dots and separators between the dots
• Buttons to swap between the exercices
• Toggle to display or hide dotted lines
• Hover a dot on the graph to get more details about the history dot
• Small animations when opening or closing the graph
• History display in exercices menu fixed