Update cheatsheets

tldr/biber

@@ -0,0 +1,22 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# biber
+
+> A backend bibliography processor for the `biblatex` package.
+> See also: `latexmk`.
+> More information: <https://texdoc.org/serve/biber.pdf/0#section.3>.
+
+- Generate bibliography data using a BibLaTeX Control File:
+
+`biber {{path/to/file.bcf}}`
+
+- Generate bibliography data using a configuration file:
+
+`biber {{path/to/file.bcf}} {{[-g|--configfile]}} {{path/to/config_file}}`
+
+- Enable debugging:
+
+`biber {{path/to/file.bcf}} {{[-D|--debug]}}`