Add support for custom template path.

src/main.rs

@@ -181,14 +181,24 @@ struct Args {
 
     /// Resolve all wiki links in the given page, output the modified text
     #[arg(long)]
-    resolve_links: Option<String>
+    resolve_links: Option<String>,
+
+    /// Path to templates
+    #[arg(long)]
+    template_path: Option<String>
 }
 
 #[rocket::main]
 async fn main() {
     let args = Args::parse();
     let historian = Historian::new(args.wiki_path);
-    let renderer = PageRenderer::new();
+
+    let renderer = if let Some(template_path) = args.template_path {
+        PageRenderer::with_template_path(&template_path)
+    } else {
+        PageRenderer::new()        
+    };
+
     let linker = Linker::new(&historian);
 
     if let Some(resolve_link) = args.resolve_link {