Add fixer "css-beautify". Adjust "html-beautify." (#4319)

* Add fixer "css-beautify". Adjust "html-beautify."

* Error fixes.

* Added chars.

doc/ale-css.txt

@@ -8,6 +8,33 @@ cspell                                                         *ale-css-cspell*
 See |ale-cspell-options|
 
 
+===============================================================================
+css-beautify                                             *ale-css-css-beautify*
+
+g:ale_css_css_beautify_executable           *g:ale_css_css_beautify_executable*
+                                            *b:ale_css_css_beautify_executable*
+  Type: |String|
+  Default: `'css-beautify'`
+
+  See |ale-integrations-local-executables|
+
+
+g:ale_css_css_beautify_options                 *g:ale_css_css_beautify_options*
+                                               *b:ale_css_css_beautify_options*
+  Type: |String|
+  Default: `''`
+
+  This variable can be set to pass additional options to css-beautify.
+
+
+g:ale_css_css_beautify_use_global           *g:ale_css_css_beautify_use_global*
+                                            *b:ale_css_css_beautify_use_global*
+  Type: |String|
+  Default: `get(g:, 'ale_use_global_executables', 0)`
+
+  See |ale-integrations-local-executables|
+
+
 ===============================================================================
 fecs                                                             *ale-css-fecs*