Initial import of Template:tb_minversion_header
Initial import of Template:tb_minversion_header

https://developer.mozilla.org/en-US/docs/Template:tb_minversion_header

Contributors (by MDN username):
* fscholz
* jenzed
* Jürgen Jeka
* markg
* Sheppy
* trevorh

a2sheppy/kumascript,jpmedley/kumascript,jpmedley/kumascript,a2sheppy/kumascript