Updated UI to have contextual help with tables so the UI doesn't feel so crowded

src/models/mod.rs

@@ -296,6 +296,7 @@ pub struct TabRoute {
   pub title: String,
   pub route: Route,
   pub help: String,
+  pub contextual_help: Option<String>,
 }
 
 pub struct TabState {
@@ -321,6 +322,10 @@ impl TabState {
     self.tabs[self.index].help.clone()
   }
 
+  pub fn get_active_tab_contextual_help(&self) -> Option<String> {
+    self.tabs[self.index].contextual_help.clone()
+  }
+
   pub fn next(&mut self) {
     self.index = (self.index + 1) % self.tabs.len();
   }