Add Readme guidelines/check in the data plane SDK app

Currently we have guidence for changelogs and release notes. We should also include the Readmes for each language repo.
- General SDK documentation: [General Guidelines: Documentation | Azure SDKs](https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fazure.github.io%2Fazure-sdk%2Fgeneral_documentation.html&data=05%7C02%7Cmariari%40microsoft.com%7Cf2c3dd4dff8b4441c57d08dc4e8fe154%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C638471627069167542%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=%2FCnkk8jFQTBfehPPdkwNNoMhYK4lpk2XTf%2FZa6NqlEc%3D&reserved=0)
o The first bullet point points to a general readme example
- C#: [.NET Azure SDK Design Guidelines | Azure SDKs](https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fazure.github.io%2Fazure-sdk%2Fdotnet_introduction.html%23dotnet-repository-readme&data=05%7C02%7Cmariari%40microsoft.com%7Cf2c3dd4dff8b4441c57d08dc4e8fe154%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C638471627069180342%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=ysHasNMTRaA%2Bt1ZPrYyNyk8bTVdHOqnJ0XKFWWJAdRY%3D&reserved=0)
- Python:
o [Python Guidelines: Documentation | Azure SDKs](https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fazure.github.io%2Fazure-sdk%2Fpython_documentation.html&data=05%7C02%7Cmariari%40microsoft.com%7Cf2c3dd4dff8b4441c57d08dc4e8fe154%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C638471627069184520%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=eTdbBRMQeWOw0stlco6AI4RpJkOFGPCzVQtCT9LyhV4%3D&reserved=0): The first bullet point mentions the README
o [Python Guidelines: API Design | Azure SDKs](https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fazure.github.io%2Fazure-sdk%2Fpython_design.html%23documentation-style&data=05%7C02%7Cmariari%40microsoft.com%7Cf2c3dd4dff8b4441c57d08dc4e8fe154%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C638471627069188486%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=vxB6ZeApEf4yO4ggp19gCB6K6IajSaH6MJS3o%2B7VRxM%3D&reserved=0)
- Java: Looks like their docs are missing README information.
- JS/TS: [TypeScript Guidelines: Documentation | Azure SDKs](https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fazure.github.io%2Fazure-sdk%2Ftypescript_documentation.html&data=05%7C02%7Cmariari%40microsoft.com%7Cf2c3dd4dff8b4441c57d08dc4e8fe154%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C638471627069192435%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7C%7C%7C&sdata=SiUUVyTsZusfePnCdi4AIgvX7W7PMP39mGwyVcX7Xy4%3D&reserved=0)