added a flag to config for setting terminal title

src/config.rs

@@ -94,6 +94,9 @@ pub struct Config<'a> {
     // Whether or not to use $LESSOPEN if set
     #[cfg(feature = "lessopen")]
     pub use_lessopen: bool,
+
+    // Weather or not to set terminal title when using a pager
+    pub set_terminal_title: bool,
 }
 
 #[cfg(all(feature = "minimal-application", feature = "paging"))]