Add sqlite stub library

crates/lb_sqlite/src/lib.rs

@@ -0,0 +1,3 @@
+//! luby SQLite library.
+#[path = "mod.rs"]
+pub mod sqlite;

crates/lb_sqlite/src/mod.rs

@@ -0,0 +1,27 @@
+//! SQLite library.
+//!
+//! The `lb:sqlite` library provides an interface to SQLite databases.
+//!
+//! ## Exports
+//!
+//! See [`lb_sqlitelib`] for items exported by this library.
+use luaffi::{cdef, metatype};
+
+/// Items exported by the `lb:sqlite` library.
+///
+/// This library can be acquired by calling
+/// [`require("lb:sqlite")`](https://www.lua.org/manual/5.1/manual.html#pdf-require).
+///
+/// ```lua
+/// local sqlite = require("lb:sqlite");
+/// ```
+#[cdef(module = "lb:time")]
+pub struct lb_sqlitelib;
+
+#[metatype]
+impl lb_sqlitelib {
+    #[new]
+    extern "Lua-C" fn new() -> Self {
+        Self
+    }
+}