chore: add Justfile for easy publishing

.gitignore

@@ -1,2 +1,4 @@
 .hugo_build.lock
 public/
+public.tar.gz
+auth.txt

Justfile

@@ -0,0 +1,13 @@
+serve:
+    hugo serve -D
+
+publish:
+    rm -f public.tar.gz
+    hugo build
+    cd public && tar czvf ../public.tar.gz *
+    curl \
+        -XPOST \
+        --fail \
+        -H @./auth.txt \
+        -T public.tar.gz \
+        https://rustybever.be/_root