Add base project

Implement auth method

rust/src/bin/uniffi-bindgen.rs

@@ -0,0 +1,3 @@
+fn main() {
+    uniffi::uniffi_bindgen_main()
+}

rust/src/lib.rs

@@ -0,0 +1,40 @@
+uniffi::setup_scaffolding!();
+
+use url::Url;
+use pubky::PubkyClient;
+
+#[uniffi::export]
+async fn auth(url: String, secret_key: String) -> Vec<String> {
+    let bytes = match hex::decode(&secret_key) {
+        Ok(bytes) => bytes,
+        Err(_) => return create_response_vector(true, "Failed to decode secret key".to_string())
+    };
+
+    let secret_key_bytes: [u8; 32] = match bytes.try_into() {
+        Ok(secret_key) => secret_key,
+        Err(_) => {
+            return create_response_vector(true, "Failed to convert secret key to 32-byte array".to_string());
+        }
+    };
+
+    let keypair = pkarr::Keypair::from_secret_key(&secret_key_bytes);
+    let client = PubkyClient::testnet();
+
+    let parsed_url = match Url::parse(&url) {
+        Ok(url) => url,
+        Err(_) => return create_response_vector(true, "Failed to parse URL".to_string()),
+    };
+
+    match client.send_auth_token(&keypair, parsed_url).await {
+        Ok(_) => create_response_vector(false, "Auth token sent successfully".to_string()),
+        Err(error) => create_response_vector(true, format!("Error sending auth token: {:?}", error)),
+    }
+}
+
+fn create_response_vector(error: bool, data: String) -> Vec<String> {
+    if error {
+        vec!["error".to_string(), data]
+    } else {
+        vec!["success".to_string(), data]
+    }
+}