Add 'core/' from commit 'b0dfc4146ca0da535a87f8509aec68817fb2ab14'

git-subtree-dir: core
git-subtree-mainline: a07f3dcd23
git-subtree-split: b0dfc4146c

core/kordophone/src/lib.rs

@@ -0,0 +1,20 @@
+pub mod api;
+
+pub mod model;
+pub use self::api::APIInterface;
+
+#[cfg(test)]
+pub mod tests;
+
+// Ensure a process-level rustls CryptoProvider is installed for TLS (wss).
+// Rustls 0.23 requires an explicit provider installation (e.g., ring or aws-lc).
+// We depend on rustls with feature "ring" and install it once at startup.
+#[ctor::ctor]
+fn install_rustls_crypto_provider() {
+    // If already installed, this is a no-op. Ignore the result.
+    #[allow(unused_must_use)]
+    {
+        use rustls::crypto::ring;
+        ring::default_provider().install_default();
+    }
+}