update layout for refs page, add pgp signatures to tags and commits

only detailed commits have pgp sigs, not in the log to save bandwidth

fix line count for files that don't end in a newline

add raw file routes, link to raw files on file view, add relative link processing to readme code

Merge branch 'go.mod'

Merge branch 'taglist'

add style tweaks: commit hashes, emails, and more cross-browser friendly file view

markdown: more file exts, fix img

css: fix ul padding in readme

routes: render markdown readmes in repo index (#11)

css: set repo desc font weight to normal

css: bottom padding in refs pre

css: lose grid layout in refs

unveil: remove git executable and /dev/null

git: pure go git clone

css: wrap refs pre

readme: unveil and ideas

config: add repo.ignore

unveil: /dev/null

unveil: reorder

css: reduce pre font size

css: set pre font

lol

css: ui-monospace

ref: https://stackoverflow.com/a/64133415

unveil: add git executable

clean up long line

unveil: cleanup code in main.go

unveil: log each call

unveil: initial commit

css: change iOS mono font

templates: improve this & parent commit

Link to parent commit file version in commit view

It makes sense for [oldfile] in [oldfile]->[newfile] to link to the
previous version. This is also how cgit behaves.

css: scroll file content x-axis only

- we don't need any overflow scrolling for the y-axis.
- set overflow-x to 'auto' so that the scroll bar only shows
  when the content does overflow.

readme: add note clarifying cloning

diff: scroll diff on overflow

add license

closes #2

diff: show diff type

file: separate content and line numbers

css: add bg to readme/file content

index: turn off logging, it's too noisy

readme: clarify license

css: scroll file content

decrease prominence of author info in ui

unveil: clarify its uselessness

git: check for binary files

add favicon

readme: more info

config: fix yaml

all: no more pretty urls

templates: message under tag name

css: default monospace font

config: fix go-import pretty url

css: single column index on small screens

all: go-import, clone url

log: cleaner view

routes: skip unopenable dirs

config: scan path

routes: sort repo index by last idle

templates: add title tags

unveil: init

git: rework diff to fetch initial commit

templates: unified repo-header

git, templates: diff view

templates: repo and log

css: wrong name

templates: index rework

routes: serve static content from /static

readme: some bs

routes: disable git push

routes: wildcard multiplex route at the end

routes: multiplex git and web ui

routes: description and humanized time to index

template: line numbers for file view

git: find main branch from config

deps: bump go-git

Now builds without cgo.

config: server host and port

templates: tree and log links for tags

routes: refs view

routes: index view

routes: render readme

templates: fix 404 and 500

template: render diff header lines

git, routes: commit diff view

routes, templates: tree and log views

git: fix trees

routes: file content view

git: file content at ref

routes: split repo index and files views

git: fetch files only using ref

all: init

sort tags in reverse chronological order and deduplicate

only add go meta import tag if go.mod exists in repo root

add raw file routes and allow readme to reference relative repo paths