Minor typos corrected. Two additional sites: Pamplona (COL) and Asuncion...

Minor typos corrected. Two additional sites: Pamplona (COL) and Asuncion (PAR). The status of the sites and final list have been updated by Ivan Sidelnik on 20200807

README.md

 Autor: Arturo Núñez
 Versión original: https://github.com/luturonunca/LAGOmaps.git
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@@ -18,7 +20,7 @@ Versión original: https://github.com/luturonunca/LAGOmaps.git
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 ## LAGO mapper