first commit of jspg extension

Cargo.toml

@@ -0,0 +1,37 @@
+[package]
+name = "jspg"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+
+[lib]
+crate-type = ["cdylib", "lib"]
+
+[[bin]]
+name = "jspg"
+path = "./src/bin/jspg.rs"
+
+[features]
+default = ["pg17"]
+pg17 = ["pgrx/pg17", "pgrx-tests/pg17" ]
+pg_test = []
+
+[dependencies]
+pgrx = "0.14.0"
+serde = "1.0.219"
+serde_json = "1.0.140"
+jsonschema = {version = "0.29.1", default-features = false}
+
+[dev-dependencies]
+pgrx-tests = "0.14.0"
+
+[profile.dev]
+panic = "unwind"
+lto = "thin"
+
+[profile.release]
+panic = "unwind"
+opt-level = 3
+lto = "fat"
+codegen-units = 1