[COST-4945] Create a new API to return list of EC2-compute instances

[bacciotti]

Jira Ticket

COST-4945

Description

This change will create a new API to return a list of AWS EC2-Compute instances.

Testing

1. Checkout Branch
2. Restart Koku
3. Hit endpoint api/cost-management/v1/reports/aws/resources/ec2-compute/?filter[time_scope_value]=-1&filter[time_scope_units]=month&filter[resolution]=monthly
   1. You should see some EC2 data, like operating_system, vcpu, memory
4. Run tox tests with tox -e py39 -- api.report.test.aws.test_views.AWSReportViewTest

Release Notes

• New API to return a list of AWS EC2-Compute instances.

* [COST-4945](https://issues.redhat.com/browse/COST-4945) Create a new API to return a list of AWS EC2-Compute instances.

[codecov]

Codecov Report

Attention: Patch coverage is 87.42138% with 20 lines in your changes missing coverage. Please review.

Project coverage is 94.1%. Comparing base (e2c2fd5) to head (e9b96fc).

Additional details and impacted files

@@           Coverage Diff           @@
##            main   #5117     +/-   ##
=======================================
- Coverage   94.1%   94.1%   -0.0%     
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  Files        375     375             
  Lines      31208   31330    +122     
  Branches    3730    3746     +16     
=======================================
+ Hits       29377   29487    +110     
- Misses      1165    1177     +12     
  Partials     666     666