Allow cross-realm monitoring

What's Changed

• Add login page by @AlexGodbehere in #8
• Support cross-realm monitoring by @amrc-benmorrow in #9

Full Changelog: v1.1.0...v1.1.1

Display icons for devices based on schema

What's Changed

• Display icons for devices with schemas by @amrc-benmorrow in #6
• Fix permissions in the Dockerfile by @amrc-benmorrow in #7

Full Changelog: v1.0.4...v1.1.0

Adjust display of overflow nodes

• Restore white text for overflow nodes; this got lost somewhere.
• Display offline status for overflow nodes as arcs of the outer circle.

Display changes

• Show whether nodes are online or offline based on what packets we have seen.
• Show BIRTH and DEATH in different colours.

v1.0.2

Improve build

v1.0.1

Full Changelog: v1.0.0...v1.0.1

v1.0.0

Initial release