Add stdlib functions for getting sketch profile start and its components (#2373)

* Add stdlib functions for getting sketch profile start and its components

* Fix it up and actually generate snapshots

* cargo fmt

* Use `.to` instead of `.from`

* Update docs with EXPECTORATE=overwrite

* Add README

* fmt

* Update flow test to account for more autocompletion options when typing "start"

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Co-authored-by: Jess Frazelle <jessfraz@users.noreply.github.com>

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

@@ -68,6 +68,9 @@ lazy_static! {
         Box::new(crate::std::sketch::StartSketchAt),
         Box::new(crate::std::sketch::StartSketchOn),
         Box::new(crate::std::sketch::StartProfileAt),
+        Box::new(crate::std::sketch::ProfileStartX),
+        Box::new(crate::std::sketch::ProfileStartY),
+        Box::new(crate::std::sketch::ProfileStart),
         Box::new(crate::std::sketch::Close),
         Box::new(crate::std::sketch::Arc),
         Box::new(crate::std::sketch::TangentialArc),