Add bcf biblatex control file

src/info/sources.rs

@@ -21,6 +21,7 @@ impl<'a> File<'a> {
 
                 "aux" |                                          // TeX: auxiliary file
                 "bbl" |                                          // BibTeX bibliography file
+                "bcf" |                                          // biblatex control file
                 "blg" |                                          // BibTeX log file
                 "fdb_latexmk" |                                  // TeX latexmk file
                 "fls" |                                          // TeX -recorder file