doc(samples) update samples

Author: johnbiundo

sample/03-microservices/package-lock.json

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+### SQL TypeORM sample
+
+### Installation
+
+
+`npm install`
+
+### Running
+
+This example requires docker or a local MySQL installation.  If using a local MySQL database, see `app.module.ts` for credentials, and make sure there are matching credentials in the database and the source code.
+
+#### Docker
+
+There is a `docker-compose.yml` file for starting Docker.
+
+`docker-compose up`
+
+After running the sample, you can stop the Docker container with
+
+`docker-compose down`
+
+### Run the sample
+
+Then, run Nest as usual:
+
+`npm run start`
+

sample/05-sql-typeorm/README.md

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+### Mongoose sample
+
+### Installation
+
+
+`npm install`
+
+### Running
+
+This example requires docker or a local mongodb installation.  If using a local mongodb, see `app.module.ts` for connection options, and make sure there are matching options for the mongodb installation and the source code.
+
+#### Docker
+
+There is a `docker-compose.yml` file for starting Docker.
+
+`docker-compose up`
+
+After running the sample, you can stop the Docker container with
+
+`docker-compose down`
+
+### Run the sample
+
+Then, run Nest as usual:
+
+`npm run start`
+