Amend editor config for black

Also restructure, separate js and move to tabs
Add md spec

.editorconfig

@@ -2,15 +2,25 @@
 
 root = true
 
-[*.{js,py,html}]
+[*]
 charset = utf-8
+end_of_line = lf
+trim_trailing_whitespace = true
 insert_final_newline = true
-# end_of_line = lf
 
 [*.py]
-indent_style = space
-indent_size = 4
+profile = black
+# > Handled by Black
+# indent_style = space
+# indent_size = 4
 
-[*.{js,html}]
+[*.md]
+trim_trailing_whitespace = false
+
+[*.html]
 indent_style = space
 indent_size = 2
+
+[*.js]
+indent_style = tab
+indent_size = 4