feat(document_db): add resources

[Codelax]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 63.03207% with 634 lines in your changes missing coverage. Please review.
✅ Project coverage is 73.19%. Comparing base (e6ccf31) to head (989e265).
⚠️ Report is 772 commits behind head on master.

Files with missing lines	Patch %	Lines
scaleway/resource_document_db_privilege.go	46.80%	127 Missing and 23 partials ⚠️
scaleway/resource_document_db_instance.go	48.60%	135 Missing and 12 partials ⚠️
scaleway/resource_document_db_user.go	53.36%	75 Missing and 15 partials ⚠️
scaleway/resource_document_db_read_replica.go	76.23%	57 Missing and 20 partials ⚠️
...y/resource_document_db_private_network_endpoint.go	63.21%	54 Missing and 10 partials ⚠️
scaleway/resource_document_db_database.go	64.58%	36 Missing and 15 partials ⚠️
scaleway/data_source_document_db_instance.go	62.50%	14 Missing and 7 partials ⚠️
.../data_source_document_db_load_balancer_endpoint.go	82.22%	11 Missing and 5 partials ⚠️
scaleway/data_source_document_db_database.go	64.70%	8 Missing and 4 partials ⚠️
scaleway/helpers_document_db.go	84.61%	4 Missing and 2 partials ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #2109       +/-   ##
===========================================
+ Coverage        0   73.19%   +73.19%     
===========================================
  Files           0      202      +202     
  Lines           0    32042    +32042     
===========================================
+ Hits            0    23454    +23454     
- Misses          0     6564     +6564     
- Partials        0     2024     +2024     

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