Doc: fix space issues in LICENSE, add it to .editorconfig

.editorconfig

@@ -14,15 +14,21 @@ trim_trailing_whitespace = true
 [*.md]
 max_line_length = 108
 word_wrap = true
+# Markdown sometimes uses two spaces at the end to
+#  mark soft line breaks
+trim_trailing_whitespace = false
+
+[*.css]
+indent_style = space
+indent_size = 2
+
+[*.{yml,yaml}]
+indent_style = space
+indent_size = 2
+tab_width = 2
 
 # apparently ESLint dislikes tabs and wants indents of 2 spaces
 [*js]
 indent_style = space
 indent_size = 2
 tab_width = 2
-
-# YAML cannot have tabs, ever!
-[*.yml]
-indent_style = space
-indent_size = 2
-tab_width = 2

LICENSE.md

@@ -1,6 +1,6 @@
 # BSD 3-Clause License
 
-Copyright (c) 2020–2025, Gwyneth Llewelyn
+Copyright (c) 2020–2025 by Gwyneth Llewelyn.  
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without