Improved install instructions

[ahcorde]

🦟 Bug fix

Summary

Improved install instructions

Related with gazebosim/garden-tutorial-party#2070

Checklist

• Signed all commits for DCO
• Added tests
• Updated documentation (as needed)
• Updated migration guide (as needed)
• Consider updating Python bindings (if the library has them)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
• While waiting for a review on your PR, please help review another open pull request to support the maintainers

Note to maintainers: Remember to use Squash-Merge and edit the commit message to match the pull request summary while retaining Signed-off-by messages.

[codecov]

Codecov Report

Merging #298 (8aa3285) into gz-fuel-tools8 (c957e85) will not change coverage.
The diff coverage is n/a.

❗ Current head 8aa3285 differs from pull request most recent head 37a0f23. Consider uploading reports for the commit 37a0f23 to get more accurate results

@@               Coverage Diff               @@
##           gz-fuel-tools8     #298   +/-   ##
===============================================
  Coverage           73.77%   73.77%           
===============================================
  Files                  20       20           
  Lines                2871     2871           
===============================================
  Hits                 2118     2118           
  Misses                753      753           

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