refactor: 'create_initial_user.sh' helper script (#59)

I've been running this `curl` command a bunch of times every day (whenever I restart my dev server) - so moving it to a more convenient place.

develop.sh

@@ -2,9 +2,25 @@
 
 set -euo pipefail
 
+EMAIL="${EMAIL:-admin@coder.com}"
+USERNAME="${USERNAME:-admin}"
+ORGANIZATION="${ORGANIZATION:-ACME-Corp}"
+PASSWORD="${PASSWORD:-password}"
 PROJECT_ROOT="$(git rev-parse --show-toplevel)"
 cd "${PROJECT_ROOT}"
 
+# Helper to create an initial user
+function create_initial_user() {
+  # TODO: We need to wait for `coderd` to spin up -
+  # need to replace with a deterministic strategy
+  sleep 5s
+  
+  curl -X POST \
+  -d "{\"email\": \"$EMAIL\", \"username\": \"$USERNAME\", \"organization\": \"$ORGANIZATION\", \"password\": \"$PASSWORD\"}" \
+  -H 'Content-Type:application/json' \
+  http://localhost:3000/api/v2/users
+}
+
 # Do initial build - a dev build for coderd.
 # It's OK that we don't build the front-end before - because the front-end
 # assets are handled by the `yarn dev` devserver.
@@ -13,4 +29,4 @@ make bin/coderd
 # This is a way to run multiple processes in parallel, and have Ctrl-C work correctly
 # to kill both at the same time. For more details, see:
 # https://stackoverflow.com/questions/3004811/how-do-you-run-multiple-programs-in-parallel-from-a-bash-script
-(trap 'kill 0' SIGINT; CODERV2_HOST=http://127.0.0.1:3000 yarn dev & ./bin/coderd)
+(trap 'kill 0' SIGINT; create_initial_user & CODERV2_HOST=http://127.0.0.1:3000 yarn dev & ./bin/coderd)