[MM-36432][MM-37072][MM-37073] Logic to support Focalboard and Playbooks tabs (#1680)

* Tab stuff

* Inter-tab navigation

* Close tab functionality

* [MM-36342][MM-37072] Logic to support Focalboard and Playbooks tabs

* Update to version 5.0

* Update config.yml

* Updated routes

* Update names for products

* [MM-37073] Close unneeded tabs when not using v6.0

* Merge'd

* Update config.yml

* Update config.yml

* Fix menu names

* PR feedback

* blank

* blank

* blank

* PR feedback

* Update config.yml

* PR feedback

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

src/main/Validator.ts

@@ -103,6 +103,7 @@ const configDataSchemaV3 = Joi.object<ConfigV3>({
         tabs: Joi.array().items(Joi.object({
             name: Joi.string().required(),
             order: Joi.number().integer().min(0),
+            isClosed: Joi.boolean().default(false),
         })).default([]),
     })).default([]),
     showTrayIcon: Joi.boolean().default(false),