Move compile-time build info to aiken-project

So that we can use it as part of the blueprints.

crates/aiken-project/src/config.rs

@@ -116,3 +116,19 @@ impl Config {
         Some(self)
     }
 }
+
+mod built_info {
+    include!(concat!(env!("OUT_DIR"), "/built.rs"));
+}
+
+pub fn compiler_version(include_commit_hash: bool) -> String {
+    if include_commit_hash {
+        format!(
+            "v{} {}",
+            built_info::PKG_VERSION_MAJOR,
+            built_info::GIT_COMMIT_HASH_SHORT.unwrap_or("unknown")
+        )
+    } else {
+        format!("v{}", built_info::PKG_VERSION_MAJOR,)
+    }
+}