Move .env-example to PAI_DIRECTORY

- Moved .env-example from root to PAI_DIRECTORY folder
- Updated README.md to reference ${PAI_DIR}/.env-example
- Updated documentation/README.md to use correct path
- Removed broken example-env-file symbolic link
- Now all configuration files are contained within PAI_DIRECTORY

🤖 Generated with Claude Code

Co-Authored-By: Claude <noreply@anthropic.com>

Author: danielmiessler

.env-example PAI_DIRECTORY/.env-example.env-example renamed to PAI_DIRECTORY/.env-example

@@ -115,7 +115,7 @@ cd PAI_DIRECTORY/voice-server
 ./install.sh
 
 # Configure environment
-cp .env.example ${PAI_DIR}/.env
+cp ${PAI_DIR}/.env-example ${PAI_DIR}/.env
 # Edit ${PAI_DIR}/.env with your settings
 ```
 

PAI_DIRECTORY/documentation/README.md

@@ -512,7 +512,7 @@ source ~/.zshrc  # or source ~/.bashrc
 
 ```bash
 # Copy environment template to PAI_DIRECTORY
-cp .env.example ${PAI_DIR}/.env
+cp ${PAI_DIR}/.env-example ${PAI_DIR}/.env
 
 # Add your API keys (optional but recommended)
 vim ${PAI_DIR}/.env