UNTESTED: Add derive internals from DuckASM

As the header says, this is completely untested.
However, I have some confidence it works since it did back in
DuckASM.

As Linus said: "Testing"? What's that? If it compiles, it's good.
If it boots, it's perfect.

Author: Techcable

Cargo.toml

@@ -20,3 +20,4 @@ builtins = []
 
 
 [workspace]
+members = ["lib/*"]

lib/derive-internals/Cargo.toml

@@ -0,0 +1,19 @@
+[package]
+name = "static-reflect-derive-internals"
+version = "0.1.0"
+edition = "2018"
+publish = false
+
+[dependencies]
+itertools = "0.9.0"
+proc-macro2 = "^1"
+quote = "^1"
+indexmap = "1.6"
+
+[dependencies.syn]
+version = "1"
+features = ["full", "extra-traits"]
+
+[dev-dependencies]
+# Testing
+static-reflect = { version = "0.1.0", path = "../.." }