Impl commands disable

[danielealbano]

This PR introduces a new mechanism to disable commands via the config file, a new parameter called disabled_commands has been introduced.

The PR changes the following things:

• at the start, in the redis program ctor, the code checks if there is a list of disabled commands defined in the config and if yes builds an hashtable out of the list
• every time a command is found in the commands info hashtable, it's checked against the list of disabled commands and if the command is disabled returns an error
• at the shutdown, the redis program dtor hook is used to free up the hashtable with the disabled commands

[codecov]

Codecov Report

Patch coverage: 65.71% and project coverage change: +0.03 🎉

Comparison is base (5ef5bf7) 76.85% compared to head (7d34c2b) 76.88%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #417      +/-   ##
==========================================
+ Coverage   76.85%   76.88%   +0.03%     
==========================================
  Files         198      199       +1     
  Lines       13586    13621      +35     
==========================================
+ Hits        10441    10472      +31     
- Misses       3145     3149       +4     

Flag	Coverage Δ
unittests	76.88% <65.71%> (+0.03%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/config_cyaml_schema.c	100.00% <ø> (ø)
src/module/redis/module_redis.c	66.67% <55.56%> (-16.67%)	⬇️
src/module/redis/module_redis_commands.c	85.25% <63.64%> (-4.75%)	⬇️
src/module/redis/module_redis_commands.h	100.00% <100.00%> (ø)
src/module/redis/module_redis_connection.c	74.70% <100.00%> (+0.19%)	⬆️

... and 5 files with indirect coverage changes

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