chore: Add a crate swc_typescript (#9085)

**Description:**

This crate will be used for TypeScript Isolated Declaration support

Cargo.toml

@@ -23,6 +23,7 @@ members = [
   "crates/swc_xml",
   "crates/swc_x_optimizer",
   "crates/swc_transform_common",
+  "crates/swc_typescript",
 ]
 resolver = "2"
 

crates/swc_typescript/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+authors              = ["강동윤 <kdy1997.dev@gmail.com>"]
+description          = "Proc macro for performance trace of swc"
+documentation        = "https://rustdoc.swc.rs/swc_trace_macro/"
+edition              = "2021"
+license              = "Apache-2.0"
+name                 = "swc_typescript"
+repository.workspace = true
+version              = "0.1.0"
+
+[dependencies]

crates/swc_typescript/src/lib.rs

@@ -0,0 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}