added a few more build targets:

- base: includes the main uhr.js plus de_CH
- baselangs: includes all languages except de_CH
- complete: includes uhr.js and all languages (existed before)
- langs: includes all languages (existed before)
- main: includes only uhr.js (existed before)
- libs: includes required libs: jquery, jquery-ui (core + widget),
  jquery-cookie

updated info/index.html

.editorconfig

@@ -3,7 +3,7 @@ root = true
 
 [*]
 indent_style = space
-indent_size = 2
+indent_size = 4
 end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true