Render a png image with a filename based on the input filename and output format (uppercase -O)

Render an image of a `circular` network graph from a `graphviz` file.
Layouts: `dot`, `neato`, `twopi`, `circo`, `fdp`, `sfdp`, `osage` & `patchwork`.
More information: <https://graphviz.org/doc/info/command.html>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

circo -T {{png}} -O {{path/to/input.gv}}

click the source code to copy install circo on any operating system with command-not-found.com