Fix tanArcTo (#3318)

* updated tangentArc math

* Add a test case showing tan arc then xLineTo

* Fix compile errors

* Tweaking the math

* Use + on angles

* atan2 outputs radians, not degrees

* Track ccw and center of all tan arcs

* re-sequenced atan2 arcTan

* Remove print statements

* Update the test

* Update kittycad in tauri

* New arc fields

---------

Co-authored-by: Jordan Noone <jordan@kittycad.io>

docs/kcl/shell.md

@@ -386,6 +386,10 @@ shell({ faces: ['end'], thickness: 0.25 }, firstSketch)
 	type: "TangentialArcTo",
 } |
 {
+	// arc's direction
+	ccw: string,
+	// the arc's center
+	center: [number, number],
 	// The from point.
 	from: [number, number],
 	// The tag of the path.
@@ -777,6 +781,10 @@ shell({ faces: ['end'], thickness: 0.25 }, firstSketch)
 	type: "TangentialArcTo",
 } |
 {
+	// arc's direction
+	ccw: string,
+	// the arc's center
+	center: [number, number],
 	// The from point.
 	from: [number, number],
 	// The tag of the path.