Re-organise to use a bare repo

Re-organise to use a bare repo, e.g.
https://www.atlassian.com/git/tutorials/dotfiles.

.zsh/configs/functions.zsh

@@ -0,0 +1,42 @@
+function m() {
+ if [[ -f .notes/Makefile ]];
+ then
+  make -f .notes/Makefile "$@"
+ else
+  make "$@"
+ fi
+}
+
+function mkd() {
+   mkdir -p "$@" && cd "$@"
+}
+
+function db {
+  if [ "$1" = "refresh" ]; then
+    mysql -uroot -e "drop database $2; create database $2"
+  elif [ "$1" = "create" ]; then
+    mysql -uroot -e "create database $2"
+  elif [ "$1" = "drop" ]; then
+    mysql -uroot -e "drop database $2"
+  fi
+}
+
+is_linux() { [[ "$(uname)" == 'Linux'  ]] }
+is_macos() { [[ "$(uname)" == "Darwin" ]] }
+
+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 $*
+}