GST tax invoice print format and more (#9616)

* GST Tax Invoice print format and more. Fixes #9545 #9566 #9608

* Reload gst print format only for Indian users

* Fixes as Codacy
diff --git a/erpnext/docs/license.html b/erpnext/docs/license.html
index 4740c5c..1d50b78 100644
--- a/erpnext/docs/license.html
+++ b/erpnext/docs/license.html
@@ -640,8 +640,8 @@
 the exclusion of warranty; and each file should have at least the
 "copyright" line and a pointer to where the full notice is found.</p>
 
-<pre><code>    &lt;one line to give the program's name and a brief idea of what it does.&gt;
-    Copyright (C) &lt;year&gt;  &lt;name of author&gt;
+<pre><code>    &lt;one line="" to="" give="" the="" program's="" name="" and="" a="" brief="" idea="" of="" what="" it="" does.=""&gt;
+    Copyright (C) &lt;year&gt;  &lt;name of="" author=""&gt;
 
     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