Add sql export module (migration from v7)

Add rollback after executing query as a double security with blacklist terms

add known issue in readme

sql_export/README.rst

@@ -0,0 +1,56 @@
+.. image:: https://img.shields.io/badge/licence-AGPL--3-blue.svg
+    :alt: License: AGPL-3
+
+SQL Export
+==========
+
+Allow to export data in csv files FROM sql requests.
+There are some restrictions in the sql sql request, you can only read datas.
+No update, deletion or creation are possible.
+A new menu named Export is created.
+
+Known issues / Roadmap
+======================
+
+Some words are prohibeted and can't be used is the query in anyways, even in a select query :
+
+* delete
+* drop
+* insert
+* alter
+* truncate
+* execute
+* create
+* update
+
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/server-tools/issues>`_.
+In case of trouble, please check there if your issue has already been reported.
+If you spotted it first, help us smashing it by providing a detailed and welcomed feedback
+`here <https://github.com/OCA/server-tools/issues/new?body=module:%20sql_export%0Aversion:%208.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+
+Credits
+=======
+
+Contributors
+------------
+
+* Florian da Costa <florian.dacosta@akretion.com>
+
+Maintainer
+----------
+
+.. image:: http://odoo-community.org/logo.png
+   :alt: Odoo Community Association
+   :target: http://odoo-community.org
+
+This module is maintained by the OCA.
+
+OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.
+
+To contribute to this module, please visit http://odoo-community.org.