more cleanup and documentation

lib/component.scad

@@ -1,4 +1,19 @@
 /*
+    This file is part of SBC Case Builder https://github.com/hominoids/SBC_Case_Builder
+    Copyright 2022,2023,2024 Edward A. Kisiel hominoid@cablemi.com
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>
+    Code released under GPLv3: http://www.gnu.org/licenses/gpl.html
 
     dsub(dsubsize, mask = false)
     hdmi_a()
@@ -17,7 +32,14 @@
 
 */
 
-// hdmi a female 
+/*
+           NAME: hdmi_a
+    DESCRIPTION: hdmi-a female model
+           TODO: none
+
+          USAGE: hdmi_a()
+*/
+
 module hdmi_a() {
     size_x = 14.5;
     size_y = 11.5;