refactor: combine with Ubuntu Provisioning repo

Combine with this repository with https://github.com/opdavies/ubuntu-provisioning
so that everything can be managed in one place, and add a role for each
piece of software.

zsh/.zsh/configs/functions.zsh

@@ -1,38 +0,0 @@
-function m() {
- if [[ -f .notes/Makefile ]];
- then
-  make -f .notes/Makefile "$@"
- else
-  make "$@"
- fi
-}
-
-function mkd() {
-   mkdir -p "$@" && cd "$@"
-}
-
-function composer() {
-  docker run -u $UID -it --rm \
-    -v $(pwd):/app \
-    -v ~/.composer:/root/.composer \
-    -v ~/.ssh:/root/.ssh \
-    composer \
-    composer $*
-}
-
-# Run 'phpunit' or 'pest' depending on the project.
-function p () {
-  vendor/bin/$(phpunit-or-pest) $*;
-}
-function pf () {
-  vendor/bin/$(phpunit-or-pest) --filter $*
-}
-
-nv() {
-  if [[ $# > 0 ]];
-  then
-    nvim $@
-  else
-    nvim .
-  fi
-}