[IMP] web: adds existing m2m widget documentation

A few web widget where not documented.

Color Dot PR: odoo/odoo#237979

Author: jeanschoenlaub

content/applications/general/users/user_portals/portal_access.rst

@@ -31,11 +31,11 @@ access. Then click the :guilabel:`Grant Access` button to finish.
    :alt: Grant access in the Portal Access Management window.
 
 .. note::
-   When portal access is granted to a Company, all contacts affiliated with that company will be
-   granted portal access. Indiviual contacts can be removed as needed.
+   When portal access is granted to a Company, all contacts affiliated with that company are granted
+   portal access. Individual contacts can be removed as needed.
 
-Granting accesss to multiple users at once
-------------------------------------------
+Granting access to multiple users at once
+-----------------------------------------
 
 To grant portal access to multiple users from a single company at once, navigate to the contact
 listing for that company, then click :menuselection:`Action --> Grant portal access` to view a list

content/developer/reference/frontend/javascript_reference.rst

@@ -1388,6 +1388,23 @@ Many2many Tags - Kanban View (`kanban.many2many_tags`)
 
     - Supported field types: `many2many`
 
+Many2many Tags Color Dot (`many2many_tags_color_dot`)
+    Specialization of `many2many_tags` widget, which instead of coloring the
+    entire tag background, displays a colored bullet (dot) before the tag label.
+
+    - Supported field types: `many2many`
+
+Many2many Tags Avatar User (`many2many_tags_avatar`)
+    Specialization of `many2many_tags` widget, for displaying list of avatars.
+
+    - Supported field types: `many2many`
+
+Many2many Tags Avatar - Kanban View (`kanban.many2many_tags_avatar`)
+    Specialization of `many2many_tags_avatar` widget for kanban view, providing a
+    popover to edit tags in kanban view (for fields which are not read-only).
+
+    - Supported field types: `many2many`
+
 Many2many Checkboxes (`many2many_checkboxes`)
     This field displays a list of checkboxes and allows the user to select a
     subset of the choices. Note that the number of displayed values is limited to