btop: adjust themes option example (#6793)

Author: Flameopathic

modules/programs/btop.nix

@@ -63,50 +63,52 @@ in
     themes = lib.mkOption {
       type = with lib.types; lazyAttrsOf (either path lines);
       default = { };
-      example = ''
-        theme[main_bg]="#282a36"
-        theme[main_fg]="#f8f8f2"
-        theme[title]="#f8f8f2"
-        theme[hi_fg]="#6272a4"
-        theme[selected_bg]="#ff79c6"
-        theme[selected_fg]="#f8f8f2"
-        theme[inactive_fg]="#44475a"
-        theme[graph_text]="#f8f8f2"
-        theme[meter_bg]="#44475a"
-        theme[proc_misc]="#bd93f9"
-        theme[cpu_box]="#bd93f9"
-        theme[mem_box]="#50fa7b"
-        theme[net_box]="#ff5555"
-        theme[proc_box]="#8be9fd"
-        theme[div_line]="#44475a"
-        theme[temp_start]="#bd93f9"
-        theme[temp_mid]="#ff79c6"
-        theme[temp_end]="#ff33a8"
-        theme[cpu_start]="#bd93f9"
-        theme[cpu_mid]="#8be9fd"
-        theme[cpu_end]="#50fa7b"
-        theme[free_start]="#ffa6d9"
-        theme[free_mid]="#ff79c6"
-        theme[free_end]="#ff33a8"
-        theme[cached_start]="#b1f0fd"
-        theme[cached_mid]="#8be9fd"
-        theme[cached_end]="#26d7fd"
-        theme[available_start]="#ffd4a6"
-        theme[available_mid]="#ffb86c"
-        theme[available_end]="#ff9c33"
-        theme[used_start]="#96faaf"
-        theme[used_mid]="#50fa7b"
-        theme[used_end]="#0dfa49"
-        theme[download_start]="#bd93f9"
-        theme[download_mid]="#50fa7b"
-        theme[download_end]="#8be9fd"
-        theme[upload_start]="#8c42ab"
-        theme[upload_mid]="#ff79c6"
-        theme[upload_end]="#ff33a8"
-        theme[process_start]="#50fa7b"
-        theme[process_mid]="#59b690"
-        theme[process_end]="#6272a4"
-      '';
+      example = {
+        my-theme = ''
+          theme[main_bg]="#282a36"
+          theme[main_fg]="#f8f8f2"
+          theme[title]="#f8f8f2"
+          theme[hi_fg]="#6272a4"
+          theme[selected_bg]="#ff79c6"
+          theme[selected_fg]="#f8f8f2"
+          theme[inactive_fg]="#44475a"
+          theme[graph_text]="#f8f8f2"
+          theme[meter_bg]="#44475a"
+          theme[proc_misc]="#bd93f9"
+          theme[cpu_box]="#bd93f9"
+          theme[mem_box]="#50fa7b"
+          theme[net_box]="#ff5555"
+          theme[proc_box]="#8be9fd"
+          theme[div_line]="#44475a"
+          theme[temp_start]="#bd93f9"
+          theme[temp_mid]="#ff79c6"
+          theme[temp_end]="#ff33a8"
+          theme[cpu_start]="#bd93f9"
+          theme[cpu_mid]="#8be9fd"
+          theme[cpu_end]="#50fa7b"
+          theme[free_start]="#ffa6d9"
+          theme[free_mid]="#ff79c6"
+          theme[free_end]="#ff33a8"
+          theme[cached_start]="#b1f0fd"
+          theme[cached_mid]="#8be9fd"
+          theme[cached_end]="#26d7fd"
+          theme[available_start]="#ffd4a6"
+          theme[available_mid]="#ffb86c"
+          theme[available_end]="#ff9c33"
+          theme[used_start]="#96faaf"
+          theme[used_mid]="#50fa7b"
+          theme[used_end]="#0dfa49"
+          theme[download_start]="#bd93f9"
+          theme[download_mid]="#50fa7b"
+          theme[download_end]="#8be9fd"
+          theme[upload_start]="#8c42ab"
+          theme[upload_mid]="#ff79c6"
+          theme[upload_end]="#ff33a8"
+          theme[process_start]="#50fa7b"
+          theme[process_mid]="#59b690"
+          theme[process_end]="#6272a4"
+        '';
+      };
       description = ''
         Themes to be written to {file}`$XDG_CONFIG_HOME/btop/themes/''${name}.theme`
       '';