Refactor engine v2

[MateoLostanlen]

Refactoring for PTZ Camera Integration

Overview

This PR proposes a refactor of the code to prepare for the use of PTZ cameras. It includes two main features:

1. New ReolinkCamera Class: This class allows control of both PTZ cameras and static cameras.
2. Optimized Processing: Implements multiprocessing for image capture while retaining normal execution for prediction and processing. This approach addresses the issues found with multiprocessing and onnxruntime running together.

Changes

• ReolinkCamera Class: Integrated for both PTZ and static cameras.
• Multiprocessing for Image Capture: Improved efficiency by using multiprocessing for capturing images.
• Normal Execution for Prediction and Processing: Maintained normal execution to avoid performance issues observed with the previous approach.
• Updated SystemController: Optimized the handling of capturing, analyzing, and processing camera streams.

Details

• The previous PR (Refactor engine #194) introduced the initial changes for PTZ camera integration but was not merged due to performance issues with the multiprocessing approach. This refactor addresses those issues, ensuring smooth and efficient operation.
• The new implementation has been tested thoroughly to ensure it works without any issues.

Additional Changes

• README Update: Added an example for setting up the credentials.json file with dummy values, and made minor adjustments to improve clarity and accuracy.
• Environment Configuration: Updated the required Python version to 3.8 and removed references to outdated dependencies.
• Badge Fixes: Corrected CI and documentation badges to reflect the current status.

Sorry for the big PR, but these changes were essential to ensure everything works together smoothly.

[codecov]

Codecov Report

Attention: Patch coverage is 86.12717% with 24 lines in your changes missing coverage. Please review.

Project coverage is 92.38%. Comparing base (d8d6082) to head (b1d9221).
Report is 1 commits behind head on develop.

Files	Patch %	Lines
pyroengine/core.py	80.48%	16 Missing ⚠️
pyroengine/sensors.py	89.18%	8 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #206      +/-   ##
===========================================
+ Coverage    88.69%   92.38%   +3.69%     
===========================================
  Files            6        6              
  Lines          398      486      +88     
===========================================
+ Hits           353      449      +96     
+ Misses          45       37       -8     

Flag	Coverage Δ
unittests	92.38% <86.12%> (+3.69%)	⬆️

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