Chain payloads, minor bug fixes

[patinthehat]

This PR adds the ray().chain() method, as described in #267. It also fixes several minor bugs, removes an unused package dependency and updates the documentation.

[what-the-diff]

PR Summary

• Providing a New Method for Payload Chaining
  An addition to our code introduces a method ray().chain(callback). It navigates our data sending process smoothly by joining multiple Ray payloads and forwarding them all in a single instance.

• Update on Documentation
  Revisions have been made to our README.md file, bringing it up to date with the changes introduced in the new variant of node-ray.

• Adding Delays to Enhance Payload Handling
  We've updated the Client.ts file to integrate a small delay after each payload is sent. This adjustment ensures a better synchronization in sending and receiving data.

• Enhancing Payload Chaining
  We've also made changes in Ray.ts, enhancing how we handle the chaining of payloads. This improvement in process ensures data gets sent in a more organized manner.

• Test Cases for New Method
  To ensure the effectiveness of our new update, we've introduced unit tests specific to the new ray().chain() method. Through these tests, we are more confident about the robustness of our enhanced data sending functionality.

[codecov]

Codecov Report

Attention: Patch coverage is 93.33333% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 87.34%. Comparing base (dda2566) to head (970f975).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #268      +/-   ##
==========================================
+ Coverage   87.27%   87.34%   +0.07%     
==========================================
  Files          67       67              
  Lines        3377     3403      +26     
  Branches      526      529       +3     
==========================================
+ Hits         2947     2972      +25     
- Misses        430      431       +1     

Files	Coverage Δ
src/lib/types.ts	56.37% <100.00%> (+1.65%)	⬆️
src/Client.ts	63.91% <0.00%> (-0.48%)	⬇️
src/Ray.ts	86.00% <96.30%> (+0.41%)	⬆️

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