Add dev services

- Development dotenvs
- Caddy service
- Redis service
- Postgres service
- Fix env parser error

Signed-off-by: Asai Neko <sugar@sne.moe>

.env.development

@@ -0,0 +1,8 @@
+SERVER_ADDRESS=:8000
+SERVER_DEBUG_MODE=true
+SERVER_FILE_LOGGER=false
+DATABASE_TYPE=postgres
+DATABASE_HOST=127.0.0.1
+DATABASE_NAME=postgres
+DATABASE_USERNAME=postgres
+DATABASE_PASSWORD=postgres