[ADD]pw_sale_total_qty

pw_sale_total_qty/LICENSE

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+Odoo Proprietary License v1.0
+
+This software and associated files (the "Software") may only be used (executed,
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+agreement from the authors of the Software (see the COPYRIGHT file).
+
+You may develop Odoo modules that use the Software as a library (typically
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+LGPL, MIT, or proprietary licenses similar to this one).
+
+It is forbidden to publish, distribute, sublicense, or sell copies of the Software
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+
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+
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