feat(tooling): Add Justfile to ease developer tasks

Author: alerque

Justfile

@@ -0,0 +1,24 @@
+just := just_executable()
+nix := require('nix')
+zsh := require('zsh')
+
+set script-interpreter := ['nix', 'develop', '--command', 'zsh', '+o', 'nomatch', '-eu']
+set shell := ['zsh', '+o', 'nomatch', '-ecu']
+set unstable := true
+
+[default]
+[private]
+@list:
+    {{ just }} --list --unsorted
+
+[script]
+build:
+    make public
+
+[script]
+preview:
+    (
+        while ! nc -z localhost 1111; do sleep 1; done
+        xdg-open http://localhost:1111
+    )&
+    make serve

flake.nix

@@ -61,6 +61,7 @@
             libertinus
             luajitPackages.luarocks
             mold
+            netcat
             nodejs
             rustc
             satysfi
@@ -70,6 +71,7 @@
             texlive.combined.scheme-full
             typst
             python313Packages.weasyprint
+            xdg-utils
             yq
             zola
             zsh