Add impersonation capabilites

Update lib.rs

src/browser/mod.rs

@@ -0,0 +1,31 @@
+//! Holds structs and information to aid in impersonating a set of browsers
+
+use std::sync::Arc;
+
+use boring::ssl::SslConnectorBuilder;
+use http::HeaderMap;
+
+#[cfg(feature = "__chrome")]
+pub use chrome::ChromeVersion;
+
+#[cfg(feature = "__chrome")]
+mod chrome;
+
+#[cfg(feature = "__chrome")]
+pub(crate) use chrome::configure_chrome;
+
+struct BrowserSettings {
+    pub tls_builder_func: Arc<dyn Fn() -> SslConnectorBuilder + Send + Sync>,
+    pub http2: Http2Data,
+    pub headers: HeaderMap,
+    pub gzip: bool,
+    pub brotli: bool,
+}
+
+struct Http2Data {
+    pub initial_stream_window_size: u32,
+    pub initial_connection_window_size: u32,
+    pub max_concurrent_streams: u32,
+    pub max_header_list_size: u32,
+    pub header_table_size: u32,
+}