[ADD] fiscal localizations: Indian GST service

In this commit, I have added documentation for GST return filing.
I have explained how to register on GST Portal, configure it in odoo,
and enable GST API Access on GST Portal. I have also explained different
GSTR Report.

task-3272960

closes odoo/documentation#3432

Signed-off-by: Castillo Jonathan (jcs) <jcs@odoo.com>
This commit is contained in:
hapa-odoo
2023-01-16 13:38:57 +00:00
committed by Jonathan
parent 32c6bed34b
commit 5280cb147e
28 changed files with 334 additions and 172 deletions
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