Consistent Repo State for Release v1.2.0

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- Siva: Java
- Jason/Bart: C# 
- Nsikan: Node

## Consistent Repo State for Release v1.2.0

|   Resource/Set-up/Behavior    |  C#     |   Typescript   | Java  |
| ------------- | ------------- | ------------- | ------------- |
| **Validate Developer Experience** |
| Run from source  | Yes | Yes | Yes |
| Run from docker  | Yes| Yes | Yes |
| Codespaces, windows, mac, wsl2 | Yes | Yes | Yes |
| Dev Containers (P&G Team) | No | No| No |
| **Standardize**
| 400/404 Responses| No | No| No |
| /version endpoint | Yes | Yes | Yes |
| getpartitionkey() | Yes | Yes | Yes |
| drain connections before shutdown | Yes | Yes | Yes |
| handle closed PR in ci/cd | Yes | Yes| Yes |
| optimize/verify codespaces | No | No | No |
| WebV files (dependent on 400/404 responses) | No | No | No |
| GitHub Templates| Yes | Yes | Yes |
| MD files in root | Yes | Yes | Yes |
| Add instructions to deploy to App Services without containers #571  | Yes | No | No |
| Update all packages / libraries| Yes | Yes | Yes |
| Add ascii art | Yes | Yes/No | Yes |
| verify latest sdk | No | Yes | Yes |

References #574 

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