New bin/spx script to enable or disable output compression to disable/enable SPX

[markshust]

Fixes #1073

[what-the-diff]

PR Summary

• Introduction of new script bin/spx
  A new utility script named bin/spx was added. This script provides straightforward access to enable or disable SPX, simplifying the process for users.

• Documentation Update
  The README.md file has been updated to include information related to this new bin/spx script. This will help new and existing users to understand its usage and benefits.

• Makefile Information Update
  Changes were made to the Makefile, where information related to the new bin/spx script was added. This aids in the automated building of the project.

• Implementation of bin/spx Script
  We added a new file called compose/bin/spx, it contains the code that executes the function of the SPX script.

• Refinement of SPX Configuration Files
  The SPX configuration files inside the images/php directory were edited by removing the zlib.output_compression = 0 command. This leads to improved performance and functionality.