Add in an assert family of functions (#3132)

* Add in an `assert` family of functions

This will check values at runtime, allowing for users to ensure computed
values do not violate static constraints.

Signed-off-by: Paul R. Tagliamonte <paul@zoo.dev>

src/wasm-lib/kcl/src/std/mod.rs

@@ -1,6 +1,7 @@
 //! Functions implemented for language execution.
 
 pub mod args;
+pub mod assert;
 pub mod chamfer;
 pub mod convert;
 pub mod extrude;
@@ -118,6 +119,11 @@ lazy_static! {
         Box::new(crate::std::math::Ln),
         Box::new(crate::std::math::ToDegrees),
         Box::new(crate::std::math::ToRadians),
+        Box::new(crate::std::assert::Assert),
+        Box::new(crate::std::assert::AssertLessThan),
+        Box::new(crate::std::assert::AssertGreaterThan),
+        Box::new(crate::std::assert::AssertLessThanOrEq),
+        Box::new(crate::std::assert::AssertGreaterThanOrEq),
     ];
 }