Added PR examples to Pull Request Template

[Sherwin-14]

I added the link's where I think my PR stands out as an example . Solves #756

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📚 Documentation preview 📚: https://earthaccess--820.org.readthedocs.build/en/820/

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Additional details and impacted files

@@           Coverage Diff           @@
##             main     #820   +/-   ##
=======================================
  Coverage        ?   68.00%           
=======================================
  Files           ?       22           
  Lines           ?     1466           
  Branches        ?        0           
=======================================
  Hits            ?      997           
  Misses          ?      469           
  Partials        ?        0           

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[mfisher87]

Thanks Sherwin! Looks good, made some slight tweaks to the text and link target (it was previously linking to a comment)!