Update issue templates

.github/ISSUE_TEMPLATE/erroneous-reference.md

@@ -0,0 +1,16 @@
+---
+name: erroneous reference
+about: Report an erroneous reference of the bibliography
+title: "[ERRONEOUS REFERENCE]: #<issue that created the reference>"
+labels: incorrect-reference
+assignees: alexpron
+
+---
+
+Dear contributor,
+Thank you for taking the time to point out an error in a reference in the bibliography.
+
+Issue creating the reference : # <Issue creating the reference>
+Observed error: 
+<description of the observed error>
+ [optional] link toward the website containing correct citation (e.g. publication reference, publication doi)