Add Odoo

[voronind]

[Insert URL to the list here.]
https://github.com/odoo-ru/awesome-odoo

[Explain what this list is about and why it should be included here.]
It's about Odoo (https://github.com/odoo/odoo). Expandable ERP written in Python.

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Failure to properly do so will just result in the pull request being closed and everyone's time wasted. Please read it twice. Most people miss many things.

• I have read and understood the contribution guidelines.
• This pull request has a descriptive title. For example, Add [Name of List], not Update readme.md or Add an awesome list.
• The list I added has been around for at least 20 days,
• The list I added is a non-generated Markdown file in a GitHub repo,
• The list I added is not a duplicate

[SpinYang]

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