feat(ci): refactor build-and-deploy workflow with consistent formatting and dynamic dotenv handling

- Standardized YAML indentation and quoting in build-and-deploy workflow
- Enhanced dotenv scripts to support custom .env file paths and dynamic entry naming based on project and branch
- Added new `show-dotenv` utility to display dotenv configuration details
- Updated documentation to reflect dynamic entry resolution and new command options
- Fixed minor typos and improved consistency in patterns.md and library.md

patterns.md

@@ -285,7 +285,7 @@ process-data() {
 
 ## Check commands
 
-Add the following statements to check if the required commands is available: 
+Add the following statements to check if the required commands is available:
 
 ```python
 if ! (command -v grep &> /dev/null && grep --version | grep -q GNU) && [[ "$OS_RELEASE" =~ ^(Darwin)$ ]]; then