refactor various files

S2/Neuro/preamble.typ

@@ -0,0 +1,20 @@
+#import "../../default.typ": *
+
+#let rot = math.op("rot")
+#let grad = math.op("grad")
+
+#let conf(num: none, date: "", body) = {
+	// Global settings
+	show: default
+
+	// Set the header
+	[ExPhy II \ Vorlesung #(num) \ #(date) \ Jonas Hahn]
+
+	// Make the outline
+	outline()
+
+	// load the document
+	body
+}
+
+