docs: add container name to Docker run commands for MongoDB, PostgreSQL, and SQLite

Author: 0xfurai

apps/docs/docs/self-hosting/docker-with-mongo.md

@@ -15,6 +15,7 @@ docker run -d --restart=always \
   -e DB_USER=peekaping \
   -e DB_PASS=secure_test_password_123 \
   -v $(pwd)/.data/mongodb:/data/db \
+  --name peekaping \
   0xfurai/peekaping-bundle-mongo:latest
 ```
 To add custom caddy file add

apps/docs/docs/self-hosting/docker-with-postgres.md

@@ -15,6 +15,7 @@ docker run -d --restart=always \
   -e DB_USER=peekaping \
   -e DB_PASS=secure_test_password_123 \
   -v $(pwd)/.data/postgres:/var/lib/postgresql/data \
+  --name peekaping \
   0xfurai/peekaping-bundle-postgres:latest
 ```
 To add custom caddy file add

apps/docs/docs/self-hosting/docker-with-sqlite.md

@@ -13,6 +13,7 @@ docker run -d --restart=always \
   -p 8383:8383 \
   -e DB_NAME=/app/data/peekaping.db \
   -v $(pwd)/.data/sqlite:/app/data \
+  --name peekaping \
   0xfurai/peekaping-bundle-sqlite:latest
 ```
 To add custom caddy file add