Add missing bin config (#27)

Author: theory

Cargo.toml

@@ -6,6 +6,10 @@ edition = "2021"
 [lib]
 crate-type = ["cdylib", "lib"]
 
+[[bin]]
+name = "pgrx_embed_prometheus_fdw"
+path = "./src/bin/pgrx_embed.rs"
+
 [features]
 default = ["pg17"]
 pg14 = ["pgrx/pg14", "pgrx-tests/pg14", "supabase-wrappers/pg14"]