ditch non-windows dll proxying and split the code

Signed-off-by: Dimitris Zervas <dzervas@dzervas.gr>

src/loader_unix.rs

@@ -0,0 +1,9 @@
+use ctor::ctor;
+
+use crate::injector::attach_self;
+
+#[ctor]
+fn _start() {
+	println!("[+] frida-deepfreeze-rs library injected");
+	attach_self();
+}