feat: Implement gRPC Reflection Service (#340)

Co-authored-by: Samani G. Gikandi <[email protected]>

tonic-reflection/build.rs

@@ -0,0 +1,16 @@
+use std::env;
+use std::path::PathBuf;
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let reflection_descriptor =
+        PathBuf::from(env::var("OUT_DIR").unwrap()).join("reflection_v1alpha1.bin");
+
+    tonic_build::configure()
+        .file_descriptor_set_path(&reflection_descriptor)
+        .build_server(true)
+        .build_client(true) // Client is only used for tests
+        .format(true)
+        .compile(&["proto/reflection.proto"], &["proto/"])?;
+
+    Ok(())
+}