Installation instructions should prefer asset library

[Nathan Franke]

Is your feature request related to a problem? Please describe.
Manual installation is unnecessary, since the asset library is built in and is usually up to date

Describe the solution you'd like
I would just swap around the instructions in the README and add a note that the manual installation is only needed if you are using bleeding edge versions.

Describe alternatives you've considered
.

Additional context
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[Gustavo Maciel]

Thank you! I believe that once your PR is approved it will solve this problem