Update readme and add builds

Justfile

@@ -0,0 +1,27 @@
+datetime := `date +%Y-%m-%d_%H%M%S_%Z`
+tmp := `mktemp -d`
+
+default: guitar piano
+
+guitar: dirs
+    fd '.cho' -t f -x chordpro -o ~/Documents/Music/{.}.pdf {}
+
+piano: dirs
+    fd '.ly' -t f -x lilypond -o ~/Documents/Music/{.} {}
+
+dirs:
+    fd . -t d -x mkdir -p ~/Documents/Music/{}
+
+release: default
+    tar -C ~/Documents/Music -cf {{tmp}}/music.tar Guitar
+    tar -C ~/Documents/Music -rf {{tmp}}/music.tar Piano
+    gzip {{tmp}}/music.tar
+    ssh-keygen -Y sign -f ~/.ssh/yk-stationary -n file {{tmp}}/music.tar.gz
+    cd {{tmp}} && sha256sum music.tar.gz > music.tar.gz.sha256 && cd -
+    cd ~/Documents/Music && zip -r {{tmp}}/music.zip Guitar Piano && cd -
+    ssh-keygen -Y sign -f ~/.ssh/yk-stationary -n file {{tmp}}/music.zip
+    cd {{tmp}} && sha256sum music.zip > music.zip.sha256 && cd -
+    git tag -s -m {{datetime}} {{datetime}}
+    git push --tags
+    tea r create -a {{tmp}}/music.tar.gz -a {{tmp}}/music.tar.gz.sig -a {{tmp}}/music.tar.gz.sha256 -a {{tmp}}/music.zip -a {{tmp}}/music.zip.sig -a {{tmp}}/music.zip.sha256 --tag {{datetime}} -t {{datetime}}
+    rm -rf {{tmp}}

README.org

@@ -1,8 +1,8 @@
 * Music
 
-This is just a repository of music I've transcribed and arranged (maybe
-even written 👀) over the years. PDFs are not included so you'll have
-to read on if you want to use any of the files here
+This is just a repository of music I've transcribed and arranged (maybe even
+written 👀) over the years. Download archives containing PDFs of everything from
+the [[https://git.nixnet.services/Amolith/music/releases][releases]] page.
 
 * ~.cho~
 These are [[https://www.chordpro.org/][ChordPro]] files and must be "compiled" with the ~chordpro~