feat!: v1.0.0

Implementing a Plug-in System with Extism.
Serialize the Plugin struct with Cap'n Proto for backward compatibility.
Refactor the project code.

build.rs

@@ -1,4 +1,16 @@
+fn build_capnp() {
+    capnpc::CompilerCommand::new()
+        .src_prefix("capnp")
+        .file("capnp/plugin.capnp")
+        .output_path("capnp")
+        .run()
+        .expect("schema compiler command");
+}
+
 fn main() {
+    #[cfg(debug_assertions)]
+    build_capnp();
+
     #[cfg(target_os = "windows")]
     {
         let mut res = winresource::WindowsResource::new();