v8.2.3: Add hotkeys info link in config template and refactor time_ra…

…nge handling in metrics module

- Added an informational link about hotkeys to the config.html template for improved usability.
- Refactored time_range logic in metric queries to use integers instead of strings for better consistency and readability.

v8.2.2: Add security headers and HTTP/2 support for Nginx configurati…

…on in models, templates, and JS

- Introduced `NginxProxyPassSecurity` model for managing security headers and server token settings.
- Enhanced templates and JavaScript to support `hide_server_tokens`, `security_headers`, and `hsts` options.
- Updated Ansible and migration files to align with new security and HTTP/2 features.

v8.2.1: Strip single quotes from descriptions, add HTTP/2 support in …

…models

v8.1.8: Remove HAProxy enterprise support.

Removed all references to HAProxy enterprise functionality from the codebase, including UI elements, backend logic, and service settings. Standardized status key casing across files and improved error handling in `_service_status` method.

v8.1.7: Update service action routing and validation logic

Revised the action route to use a restricted list of allowed actions via the `any` converter. Improved service name validation by refining the regex pattern and adjusted logging message formatting for consistency.

v8.1.6: Add support for editing specific config sections and templates

Enhanced configuration management by introducing support for editing specific sections in HAProxy configurations via `edit_section`. Added server templates with structured validation, improved file encoding handling, and addressed edge cases in multiple components for greater robustness.

v8.1.5: Fix SSH handling, password decryption, and error messaging.

Ensure SSH key validity check, correct password decryption, and proper error handling for SSH agent startup and service activation. Enhanced error messages improve debugging and maintainability.

v8.1.3: Update default versions for HAProxy and Nginx

Updated the default HAProxy version to 3.1.1-1 and Nginx experimental version to 1.4.0 in the templates and service installation logic. This ensures compatibility with the latest releases and improves functionality.

v8.1.3: Improve form validation and update Port Scanner AJAX logic

Replace `==` with `===` for stricter comparisons in form validation. Modify Port Scanner to use a POST request with JSON payload and change response handling to better manage error and success states.