chore: remove preview/ directory

rfc-vibe/typst.toml

@@ -0,0 +1,11 @@
+[package]
+name = "rfc-vibe"
+version = "0.1.0"
+entrypoint = "lib.typ"
+authors = ["Stephen Waits <steve@waits.net>"]
+license = "MIT"
+description = "Bring RFC language into everyday docs"
+categories = ["utility"]
+keywords = ["rfc", "keywords", "rfc2119", "rfc8174", "bcp14"]
+repository = "https://github.com/swaits/typst-collection"
+exclude = ["thumbnail.png", "tests"]