document NO_COLOR in manpage

Un1q32 · Un1q32 · commit a5f1be4c5f46 · 2025-10-14T18:18:57.000-04:00
diff --git a/pfetch.1 b/pfetch.1
@@ -34,6 +34,9 @@ Separator between info name and info data.
 .B PF_COLOR
 Enable/Disable colors in output: 1 (true), 0 (false)
 .TP
+.B NO_COLOR
+Disables colors in output when set
+.TP
 .B PF_COL1
 Color of info names: Valid: 0-9
 .TP
