docs: fix terminal UI recording src

fix #39

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fix #36

Underline the fact that it's fine to use RepoCache alone

Now produce by default a build with the packed webui, to make it go gettable properly.

fix #33

webui: add name to web app manifest

readme: added archlinux aur package in install section

fix #24

Different colors for labels based on their hash

webui: A hash is computed on each label, which is then used to determine
the label's color.

docs: fix some typos

1) totalCount was incorrect when not in the first page
2) pageInfo.Has{Previous,Next}Page was in...