Add julia support and example

Project.toml

@@ -0,0 +1,2 @@
+[deps]
+Plots = "91a5bcdd-55d7-5caf-9e0b-520d859cae80"

justfile

@@ -10,12 +10,19 @@ setup:
 test:
     uv run python main.py
 
+# Run code that generates output
+output: ensure-build
+    julia --project=. main.jl
+
 # Build document and open in zathura
-build:
-    rm main.pdf
-    typst compile main.typ
-    zathura main.pdf >/dev/zero 2>&1 & disown
+build: output
+    rm main.pdf || true
+    typst compile main.typ build/main.pdf
+    zathura build/main.pdf >/dev/zero 2>&1 & disown
     
 # Format code in place
 format:
     typstyle -i main.typ
+
+ensure-build:
+    mkdir -p build

main.jl

@@ -0,0 +1,5 @@
+using Plots
+
+plot(sin)
+savefig("build/sine.svg")
+gui()

main.typ

@@ -16,3 +16,10 @@
 )
 
 Literate programming @knuth:1984 in typst after Knuth?
+
+#figure(
+  image(
+    "build/sine.svg",
+  ),
+  caption: [Einfacher Plot mit Julia],
+)