Split dpi module out into a separate crate (#3518)

Co-authored-by: John Nunley <dev@notgull.net>

run-wasm/Cargo.toml

@@ -1,9 +1,11 @@
 [package]
 name = "run-wasm"
 version = "0.1.0"
-edition = "2021"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+rust-version.workspace = true
+repository.workspace = true
+license.workspace = true
+edition.workspace = true
+publish = false
 
 [dependencies]
 cargo-run-wasm = "0.2.0"