A whole new client

[withinboredom]

Description

This adds a whole new Dapr Client in /Dapr/Client/DaprClient which is completely incompatible with the existing client. Currently, it only supports the HTTP API, but gRPC is coming 🔜.

This PR serves as a base PR to merge to as existing SDK technology is ported to the new client.

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.

Addresses: #36

Checklist

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

• Tests pass
• Created/updated tests
• Extended the documentation

[codecov-commenter]

Codecov Report

Merging #93 (ffa4a64) into main (d53e986) will decrease coverage by 5.24%.
The diff coverage is 0.00%.

❗ Current head ffa4a64 differs from pull request most recent head aef25f2. Consider uploading reports for the commit aef25f2 to get more accurate results

@@             Coverage Diff              @@
##               main      #93      +/-   ##
============================================
- Coverage     73.61%   68.36%   -5.25%     
- Complexity      396      448      +52     
============================================
  Files            49       59      +10     
  Lines          1459     1571     +112     
============================================
  Hits           1074     1074              
- Misses          385      497     +112     

Impacted Files	Coverage Δ
src/lib/Client/AppId.php	0.00% <0.00%> (ø)
src/lib/Client/DaprClient.php	0.00% <0.00%> (ø)
src/lib/Client/DaprClientBuilder.php	0.00% <0.00%> (ø)
src/lib/Client/DaprHttpClient.php	0.00% <0.00%> (ø)
src/lib/Client/HttpBindingTrait.php	0.00% <0.00%> (ø)
src/lib/Client/HttpInvokeTrait.php	0.00% <0.00%> (ø)
src/lib/Client/HttpPubSubTrait.php	0.00% <0.00%> (ø)
src/lib/Client/HttpSecretsTrait.php	0.00% <0.00%> (ø)
src/lib/Client/HttpStateTrait.php	0.00% <0.00%> (ø)
src/lib/Client/PromiseHandlingTrait.php	0.00% <0.00%> (ø)
... and 10 more

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