adding a citation file

Author: rbonifacio

CITATION.cff

@@ -0,0 +1,19 @@
+cff-version: 1.2.0
+message: "If you use this software, please cite it as below."
+authors:
+- family-names: "Bonifácio"
+  given-names: "Rodrigo"
+  orcid: "https://orcid.org/0000-0002-2380-2829"
+- family-names: "Bodden"
+  given-names: "Eric"
+  orcid: "https://orcid.org/0000-0003-3470-3647"
+- family-names: "R. Silva"
+  given-names: "João Victor"
+- family-names: "R. Silva"
+  given-names: "Ingrid Lorraine"
+- family-names: "Santos"
+  given-names: "Galileu"  
+title: "SVFA-Scala: an implementation of SVFA for Java"
+version: 0.1.0-SNAPSHOT
+date-released: 2022-09-06
+url: "https://github.com/rbonifacio/svfa-scala"