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/doctor_cmd.rs

@@ -2,7 +2,7 @@
 
 use super::*;
 use crate::doctor::{self, Status};
-use crate::output::{print_json, status_style, Table};
+use crate::output::{boxed_table, print_json, status_style};
 use crate::runner::SystemRunner;
 use anyhow::Result;
 
@@ -27,16 +27,25 @@ pub fn run(app: &App, fix: bool) -> Result<i32> {
         return Ok(if report.ok() { 0 } else { 1 });
     }
     let color = app.color();
-    let mut table = Table::new(vec!["CHECK", "STATUS", "DETAIL"]);
+    let theme = app.theme();
+    let mut table_rows = Vec::new();
     for c in &report.checks {
         let status = match c.status {
-            Status::Ok => status_style("ok", color),
-            Status::Warn => status_style("warn", color),
-            Status::Error => status_style("error", color),
+            Status::Ok => status_style("ok", theme, color),
+            Status::Warn => status_style("warn", theme, color),
+            Status::Error => status_style("error", theme, color),
         };
-        table.row(vec![c.name.clone(), status, c.detail.clone()]);
+        table_rows.push(vec![c.name.clone(), status, c.detail.clone()]);
     }
-    print!("{}", table.render());
+    print!(
+        "{}",
+        boxed_table(
+            vec!["CHECK", "STATUS", "DETAIL"],
+            table_rows,
+            theme,
+            color,
+        )
+    );
     if report.problems() > 0 {
         app.log
             .warn(&format!("{} problem(s) found — 'am doctor --fix' repairs what it can", report.problems()));