Initial attempt to create Appmaps (currently manually but the supporting data structure is there)

src/lib.rs

@@ -0,0 +1,16 @@
+use serde::{Deserialize, Serialize};
+use std::collections::HashMap;
+use std::fmt;
+use std::fmt::Debug;
+use std::time::Instant;
+use tracing::field::{Field, Visit};
+use tracing::span::{Attributes, Record};
+use tracing::{Id, Subscriber};
+use tracing_subscriber::layer::Context;
+use tracing_subscriber::Layer;
+pub mod appmap_definition;
+#[derive(Debug, Clone, Serialize, Deserialize, Eq, PartialEq)]
+pub struct AppMap {
+    #[serde(flatten)]
+    pub data: crate::appmap_definition::AppMapObject,
+}