[ADD] slides gallery module

- Task: https://www.odoo.com/web?debug=#id=9093&view_type=form&model=project.task
- Pad: https://pad.odoo.com/p/r.QlQTvBv6mCcMrK4B
I have made assets and added framework style-sheets and JavaScript Because, this is embed view and this view is executed on other websites (embed on other websites) so, framework files are not included to that view so, i have manually added to that and made assets.