Create CITATION.cff with authors and title

Added citation information for authors and publication details.

Author: nfahlgren

CITATION.cff

@@ -0,0 +1,34 @@
+cff-version: 1.0.0
+authors:
+- family-names: Schuhl
+  given-names: Haley
+  affiliation: Donald Danforth Plant Science Center
+  orcid: "https://orcid.org/0000-0002-8825-8297"
+- family-names: Acosta-Gamboa
+  given-names: Lucia
+  affiliation: Donald Danforth Plant Science Center
+  orcid: "https://orcid.org/0000-0001-7704-1845"
+- family-names: Sumner
+  given-names: Josh
+  affiliation: Donald Danforth Plant Science Center
+  orcid: "https://orcid.org/0000-0002-3399-9063"
+- family-names: Fischer
+  given-names: Annika
+  affiliation: Donald Danforth Plant Science Center
+  orcid: "https://orcid.org/0009-0009-2916-8046"
+- family-names: Kenney
+  given-names: Samuel
+  affiliation: Donald Danforth Plant Science Center
+  orcid: "https://orcid.org/0009-0007-6021-9169"
+- family-names: Murphy
+  given-names: Katherine
+  affiliation: Donald Danforth Plant Science Center
+  orcid: "https://orcid.org/0000-0002-8891-4274"
+- family-names: Hernandez
+  given-names: Gabriela
+  affiliation: Donald Danforth Plant Science Center
+  orcid: "https://orcid.org/0009-0009-5227-8278"
+title: "PlantCV thermal image analysis tutorial"
+version: 1.1
+doi: 
+date-released: 2026