Fix typos & handle undefined max_reps

README.md

@@ -25,7 +25,7 @@ becomes this:
 
 But the library does more. Way more. The library does to OpenSCAD what css does for html:
 
-*It seperates presentation from content.*
+*It separates presentation from content.*
 
 You can build a single model that defines all the parts of a project and how they interact, then create a presentation layer to isolate a printable part using [show](https://github.com/davidson16807/relativity.scad/wiki/CSG-operations#show) or [hide](https://github.com/davidson16807/relativity.scad/wiki/CSG-operations#hide). You can also go the opposite way - you can define a series of components, then define attachment points for each and use [attach](https://github.com/davidson16807/relativity.scad/wiki/CSG-operations#attach) to pop them into place like lego blocks.
 

_typos.toml

@@ -0,0 +1,13 @@
+# typos config
+# https://github.com/crate-ci/typos/blob/master/docs/reference.md
+
+[files]
+ignore-dot = false
+
+[default]
+extend-ignore-re = [
+  # foo bar/z regex selectors
+  # "fo+"
+  # "ba[rz]"
+  "(?i)\"(fo|ba)[\\+\\[\"]",
+]