v0.2.14 : aide Nushell, themes de couleurs et cadres blancs

- Aide facon Nushell : help <cmd>, <cmd> -h/--help, help, help commands,
  help --find <texte>, help <agent> (fiche info) - sections Usage/Flags/
  Command Type/Parameters/Input-output/Examples avec couleurs
- Commande version : tableau Nushell (commit, build, rustc, theme...) + --json ;
  build.rs pour commit/branche git ; -V reste la version courte
- Themes : --theme <nom> (default, ocean, sunset, forest, dracula, mono)
  + settings.theme dans la config ; activation VT Windows pour les couleurs
- Cadres blancs Nushell partages : list, search, status, doctor, ls/ps/
  where/get et menu d autocompletion Tab encadre (colonnes name/description)

src/commands/search_cmd.rs

@@ -1,7 +1,7 @@
 //! search: keyword search over the catalog.
 
 use super::*;
-use crate::output::{print_json, Table};
+use crate::output::{boxed_table, print_json};
 use serde::Serialize;
 
 #[derive(Serialize)]
@@ -33,17 +33,25 @@ pub fn run(app: &App, keyword: &str, category: Option<&str>) -> Result<i32> {
         print_json(&rows);
         return Ok(0);
     }
-    let mut table = Table::new(vec!["NAME", "CATEGORY", "INSTALLABLE", "DESCRIPTION"]);
+    let mut table_rows = Vec::new();
     for a in hits {
         let desc = truncate(a.description.as_deref().unwrap_or(""), 56);
-        table.row(vec![
+        table_rows.push(vec![
             a.title().to_string(),
             a.category.clone().unwrap_or_else(|| "—".to_string()),
             if a.installable { "yes" } else { "no" }.to_string(),
             desc,
         ]);
     }
-    print!("{}", table.render());
+    print!(
+        "{}",
+        boxed_table(
+            vec!["NAME", "CATEGORY", "INSTALLABLE", "DESCRIPTION"],
+            table_rows,
+            app.theme(),
+            app.color(),
+        )
+    );
     if app.catalog.search(keyword, category).is_empty() {
         app.log
             .info(&format!("no agent matches '{keyword}' (categories: {})", app.catalog.categories().join(", ")));