v0.8.6

DispersiveShallowWater v0.8.6

Diff since v0.8.5

Merged pull requests:

• Update SBP docs with convergence references (#265) (@ranocha)
• Improve documentation of the analysis callback (#266) (@ranocha)
• add warning on entropy vs. energy (#267) (@ranocha)
• Format plot title in docs (#268) (@JoshuaLampert)

Closed issues:

• Some suggestions for the JOSS publication (#264)