Completed initial CAD package guides, tweaked initial code import

app/web/src/helpers/cadPackages/jsCad/initialCode.jscad

@@ -0,0 +1,33 @@
+const jscad = require('@jscad/modeling')
+// https://openjscad.xyz/docs/module-modeling_primitives.html
+const { cuboid, cylinder } = jscad.primitives
+
+const { rotate, translate } = jscad.transforms
+const { degToRad } = jscad.utils // because jscad uses radians for rotations
+// https://openjscad.xyz/docs/module-modeling_booleans.html
+const { subtract } = jscad.booleans
+
+function main({//@jscad-params
+    // Box example
+    width=40, // Width
+    length=20, // Length
+    height=10, // Height
+    hole=3,// Hole for cables diameter (0=no hole)
+    wall=1, // wall {min:0.5, step:0.5}
+    flip=0, // print orientation {type: 'choice', values: [0, 90, 180]}
+}){
+
+    let wallOffset = wall * 2
+    let model = subtract(
+        cuboid({size:[width, length, height]}),
+        translate([0,0,wall], cuboid({size:[width-wallOffset, length-wallOffset, height+wall]})),
+    )
+    if(hole){
+        model = subtract( model,
+            translate([width/2-wall/2], rotate([0, degToRad(90), 0 ], cylinder({radius:hole/2, height:wall})))
+        )
+    }
+    return rotate([degToRad(flip), 0, degToRad(90)], model)
+}
+
+module.exports = {main}

app/web/src/helpers/cadPackages/jsCad/userGuide.md

@@ -1,7 +1,8 @@
 ---
-"Written with": JavaScript
-"Kernal type": BREP
+title: JSCAD
+Written with: JavaScript
+Kernal type: BREP
+Maintained by: [Z3 Development + 39 contributors](https://www.github.com/jscad)
+Documentation: [openjscad.xyz/docs](https://openjscad.xyz/docs/)
 ---
-# JSCAD
-
 JSCAD is an open source set of modular, browser and command line tools for creating parametric 2D and 3D designs with Javascript code. It provides a quick, precise and reproducible method for generating 3D models, and is especially useful for 3D printing applications.