feat: add DEVELOPMENT.md

Author: kastov

DEVELOPMENT.md

@@ -0,0 +1,49 @@
+1. Launch the database and redis containers:
+
+```bash
+docker compose -f docker-compose-db-local.yml up -d
+```
+
+2. Install dependencies:
+
+```bash
+npm install
+```
+
+3. Migrate the database:
+
+```bash
+npm run migrate:deploy
+```
+
+4. Generate types:
+
+```bash
+npm run migrate:generate
+```
+
+5. Seed the database:
+
+```bash
+npm run seed:dev
+```
+
+6. Running dev mode (if you run multiple instances, make sure to wait before starting the next instance):
+
+- API:
+
+```bash
+npm run dev:api
+```
+
+- Worker:
+
+```bash
+npm run dev:worker
+```
+
+- Scheduler:
+
+```bash
+npm run dev:scheduler
+```