[WhitWaldo]

Description

Adding initial implementation of the vector building block.

Issue reference

We strive to have all PR being opened based on an issue, where the problem or feature have been discussed prior to implementation.

Please reference the issue this PR will close: #[issue number]

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• Code compiles correctly
• Created/updated tests
• Extended the documentation

[codecov]

Codecov Report

❌ Patch coverage is 40.00000% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 68.33%. Comparing base (c76049c) to head (5bba501).

Files with missing lines	Patch %	Lines
src/Dapr.Testcontainers/Harnesses/VectorHarness.cs	0.00%	8 Missing ⚠️
...c/Dapr.Testcontainers/Common/DaprHarnessBuilder.cs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1945      +/-   ##
==========================================
- Coverage   68.38%   68.33%   -0.06%     
==========================================
  Files         375      376       +1     
  Lines       10863    10876      +13     
  Branches     1274     1274              
==========================================
+ Hits         7429     7432       +3     
- Misses       3091     3100       +9     
- Partials      343      344       +1     

Flag	Coverage Δ
net10.0	68.31% <40.00%> (-0.06%)	⬇️

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