Tweak UI

[noyainrain]

Apply various small fixes and improvements:

• Move list details ("edited by") to bottom
  Done with Add user home page #25
• See Make show/hide trash button more accessible #23
• See Make items expandable #45

[noyainrain]

The cropped move handle is caused by the fact that flex items never shrink below their minimum width and min-width is automatically computed, e.g. where a line break can occur. The handle is the only item that has no text content, no minimum size and is thus the only one that can shrink.

[noyainrain]

The cropped item move handle problem depends on noyainrain/micro#89.

[noyainrain]

The cropped item move handle problem is now tracked in #62 .