Feat: documentation, UI/UX

src/state/ui.rs

@@ -51,6 +51,7 @@ pub struct UiState {
     pub help_search_active: bool,
     pub help_search_query: String,
     pub help_focused_block: Option<usize>,
+    pub help_block_output: Option<(usize, usize, String)>,
     pub help_parsed: RefCell<Vec<Option<ParsedMarkdown>>>,
     pub dict_focus: DictFocus,
     pub dict_category: usize,
@@ -102,6 +103,7 @@ impl Default for UiState {
             help_search_active: false,
             help_search_query: String::new(),
             help_focused_block: None,
+            help_block_output: None,
             help_parsed: RefCell::new(
                 (0..crate::model::docs::topic_count())
                     .map(|_| None)