[experimental] add SSL support for HTTP server configuration

[kanwarujjaval]

No description provided.

[Copilot]

Pull Request Overview

This PR adds experimental SSL support for both the HTTP and API server configurations. The changes include new SSL configuration options, updates to the server setup logic to conditionally use HTTPS, and corresponding updates in configuration sample files.

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
frontend/express/config.sample.js	Added SSL configuration options for the Express web server.
frontend/express/app.js	Updated server initialization to support SSL with HTTPS server.
api/config.sample.js	Added SSL configuration options for the API server.
api/api.js	Updated API server initialization to support SSL and HTTPS server.

Comments suppressed due to low confidence (1)

frontend/express/app.js:1944

• The 'fs' module is used to read SSL files but is not imported in this file. Please add const fs = require('fs'); at the top to avoid runtime errors when SSL is enabled.

key: fs.readFileSync(countlyConfig.web.ssl.key),