Add another example to the readme

Author: Anne Johnson

README.md

@@ -17,13 +17,18 @@ end
 ```elixir
 iex> DNASearch.get_sequences("Pionus maximiliani", limit: 1)
 ["CGCGAAACAGGTGTCTCTTGGTTCCGACTGACCTGTGCTTTTATGAGCTTGTTGGTTTAGTTAGTTTGTTGGGGGTTGTTGGGTTTTGGGTTTGGGTTTTTTTCCTCCTTTTCTAGACACATATTTTTGACAGGCTGTATAAAACTTTACTTATCTTTGTTAATAATGTAGCTTTGAACTACTTATTCTGACATTCCAGATCAGCTTTAATGGAAGTGAAGGGAGGCGAAGTAGGAGTAGAAGATACTCTGGATCTGATAGTGACTCTATCTCGGAAAGGAAACGGCCAAAAAAGCGTGGAAGACCACGAACTATTCCTCGAGAAAATATT"]
-```
 
-[View full documentation here](https://hexdocs.pm/dna_search/api-reference.html).
 
-## Todo's
+iex> DNASearch.get_fasta_data("Pionus maximiliani", limit: 1)
+[
+  %FASTA.Datum{
+    header: "gi|925719343|gb|KR019962.1| Pionus maximiliani voucher PMAX-COESP chromo-helicase-DNA binding protein-Z (CHDZ) gene, exons 23, 24 and partial cds",
+    sequence: "CGCGAAACAGGTGTCTCTTGGTTCCGACTGACCTGTGCTTTTATGAGCTTGTTGGTTTAGTTAGTTTGTTGGGGGTTGTTGGGTTTTGGGTTTGGGTTTTTTTCCTCCTTTTCTAGACACATATTTTTGACAGGCTGTATAAAACTTTACTTATCTTTGTTAATAATGTAGCTTTGAACTACTTATTCTGACATTCCAGATCAGCTTTAATGGAAGTGAAGGGAGGCGAAGTAGGAGTAGAAGATACTCTGGATCTGATAGTGACTCTATCTCGGAAAGGAAACGGCCAAAAAAGCGTGGAAGACCACGAACTATTCCTCGAGAAAATATT"
+  }
+]
+```
 
-- Don't make real API calls during tests
+[View full documentation here](https://hexdocs.pm/dna_search/api-reference.html).
 
 ## Contributing