chore: add make dev (#1527)

scripts/develop.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+PROJECT_ROOT="$(git rev-parse --show-toplevel)"
+cd "${PROJECT_ROOT}"
+
+echo '== Run "make build" before running this command to build binaries.'
+echo '== Without these binaries, workspaces will fail to start!'
+
+# Run yarn install, to make sure node_modules are ready to go
+"$PROJECT_ROOT/scripts/yarn_install.sh"
+
+# Use static credentials for development
+export CODER_DEV_ADMIN_EMAIL=admin@coder.com
+export CODER_DEV_ADMIN_PASSWORD=password
+
+# 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 INSPECT_XSTATE=true yarn --cwd=./site dev &
+  go run -tags embed cmd/coder/main.go server --dev --tunnel=true &
+  wait
+)