chore/make: add celestia-node make file for arabica testnet

[Bidon15]

Alternative to #3973
Sharing the command line help:

make node-help
Celestia Light Node Management Commands:

Available targets:
  node-install        - Install celestia node and cel-key binaries
  get-address        - Display the wallet address from cel-key
  check-and-fund     - Check wallet balance and request funds if needed
  reset-node         - Reset node state and update config with latest block height
  light-arabica-up   - Start the Celestia light node

Special usage:
  light-arabica-up options:
    COMMAND=again    - Reset the node before starting
    CORE_IP=<ip>     - Use custom IP instead of default validator

Examples:
  make light-arabica-up
  make light-arabica-up COMMAND=again
  make light-arabica-up CORE_IP=custom.ip.address
  make light-arabica-up COMMAND=again CORE_IP=custom.ip.address

[Wondertan]

Thank you for this!

Let's reference this somehow in README to increase visibility.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 45.54%. Comparing base (2469e7a) to head (0e6afc6).
Report is 408 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3992      +/-   ##
==========================================
+ Coverage   44.83%   45.54%   +0.70%     
==========================================
  Files         265      309      +44     
  Lines       14620    22021    +7401     
==========================================
+ Hits         6555    10029    +3474     
- Misses       7313    10920    +3607     
- Partials      752     1072     +320     

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[Bidon15]

Thank you for this!

Let's reference this somehow in README to increase visibility.

Done. Generated view of the readme.md

[Wondertan]

:chefs_kiss: