started work on lib_application - progress limited as requires alloc support to make further progress

lib/lib_application/src/application.rs

@@ -0,0 +1,10 @@
+
+pub trait Application {
+    fn run(&mut self, args: [&'static str; 5]) -> Result<(), Error>;
+}
+
+pub enum Error {
+    OsError(&'static str),
+    ApplicationError(&'static str),
+}
+