Introduces Bytes class (#1019)

This introduces a new `Bytes` standard library class, for working with
binary data.

* Add Bytes class to the standard library
* Change CLI to eval `output.bytes`
* Change code generators to map Bytes to respective underlying type
* Add subscript and concat operator support
* Add binary encoding for Bytes
* Add PCF and Plist rendering for Bytes

Co-authored-by: Kushal Pisavadia <kushi.p@gmail.com>

docs/modules/ROOT/partials/component-attributes.adoc

@@ -138,6 +138,7 @@ endif::[]
 :uri-stdlib-Function3: {uri-stdlib-baseModule}/Function3
 :uri-stdlib-Function4: {uri-stdlib-baseModule}/Function4
 :uri-stdlib-Function5: {uri-stdlib-baseModule}/Function5
+:uri-stdlib-Bytes: {uri-stdlib-baseModule}/Bytes
 :uri-stdlib-Resource: {uri-stdlib-baseModule}/Resource
 :uri-stdlib-outputFiles: {uri-stdlib-baseModule}/ModuleOutput#files