+gdbm

[jhheider]

ref: #99

[what-the-diff]

• Added a new package.yml file for gdbm
• The url is https://ftp.gnu.org/gnu/gdbm/gdbm-{{ version }}.tar.gz and the strip components are 1
• There's only one version, which is 1:23 (TODO HTML listing)
  4a) Dependencies include tea xyz make and c99 compiler from cc repo
  4b) Script to configure prefix without readline then install it with make install command
  5a) Test script includes echo -e $INPUT1 | gdmbtool --norc --new test db; test $(echo -e $INPUT2 | gdmbtool --norc test ) = "2" 5b). Env variables INPUT1= store 1 2\nquit\n ; INPUT2= fetch \n quit \n 6.) Provides bin /gdmb_dump ,bin /gdbm_load, bin /gdbmtoool at end of file