Merge branch 'color-attribute' into 'dev'

add color widget on solid-form

See merge request documentation/doc!23

source/import_documentation/Components/Solid-Form.rst

@@ -59,7 +59,7 @@ Attributes
    It’s particularly useful with a dropdown or radio field.
 
    Two formats are possible:
-      * ``enum-xyz="value1, value2, value3"`` : each value will be displayed 
+      * ``enum-xyz="value 1, value 2, value 3"`` : each value will be displayed 
       and loaded in value attribute
       * ``enum-xyz="value1 = a, value2 = b, value3 = c"``: each value will be displayed 
       and "a", "b", "c" will be loaded in value attribute.

source/import_documentation/Widgets/Reference.rst

@@ -35,15 +35,15 @@ A widget is built like this.
 
    -  ``form`` directory
 
-      -  ``text``: set ``value`` in an ``<input>`` of type ``text``
-      -  ``textarea``: set ``value`` in a ``<textarea>``
+      -  ``text``: set ``value`` in an ``<input>`` of type ``text``.
+      -  ``textarea``: set ``value`` in a ``<textarea>``.
       -  ``richtext``: set ``value`` in an ``<div>`` and initialize a light rich text editor by using ``Quill``.
-      -  ``checkbox``: create a checkbox, which is checked if ``value == true``
-      -  ``date``: set ``value`` in an ``<input>`` of type ``date``
+      -  ``checkbox``: create a checkbox, which is checked if ``value == true``.
+      -  ``date``: set ``value`` in an ``<input>`` of type ``date``.
       -  ``rangedate``: set 2 values in 2 ``<input>`` of type ``date``. Used for filtering with min and max.
-      -  ``number``: set ``value`` in an ``<input>`` of type ``number``
+      -  ``number``: set ``value`` in an ``<input>`` of type ``number``.
       -  ``rangenumber``: set 2 values in 2 ``<input>`` of type ``number``. Used for filtering with min and max.
-      -  ``hidden``: set ``value`` in an ``<input>`` of type ``hidden``
+      -  ``hidden``: set ``value`` in an ``<input>`` of type ``hidden``.
       -  ``dropdown``: set ``value`` in a ``<select>``. The list is provided via the ``range`` attribute, which expects a container’s URL, or via the ``enum`` attribute, which takes a list of the values separated by commas.
       -  ``radio``: set ``value`` in a list of radio buttons. The list is provided via the ``range`` attribute, which expects a container’s URL, or via the ``enum`` attribute, which takes a list of the values separated by commas.
       -  ``multiple``: Accept a container URI as a ``value``, and inserts one widget per resource with a “remove” button for each widget, and an “add” button.
@@ -52,6 +52,7 @@ A widget is built like this.
          When a file is selected it’s uploaded, URL of file is returned by request and set as the ``<input/>`` value.
          The upload URL is provided via the ``upload-url`` attribute.
       -  ``image``: Works like ``file`` but allow only images in the input, and create a preview of the image when selected by the user.
+      - ``color``: set ``value`` in a ``<input>`` of type ``color``.
 
    -  ``set``