feat: Introduce runtime configuration for the frontend via config.js to allow dynamic updates without rebuilding the Docker image

[pawelmarkowski]

fix: #158

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[Copilot]

Pull request overview

Adds support for runtime (post-build) configuration of the React frontend by loading a config.js file at startup, enabling Docker users to override Casdoor connection settings without rebuilding the image (addresses #158).

Changes:

• Load window.appConfig at runtime and use it as the frontend auth configuration (with defaults as fallback).
• Ensure config.js is loaded before the React bundle via index.html.
• Document how to mount/override config.js when running the Docker image.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 1 comment.

File	Description
web/src/Conf.js	Reads auth configuration from a runtime-injected global (window.appConfig) with fallback defaults.
web/public/index.html	Loads config.js before the React app initializes.
web/public/config.js	Provides a default runtime configuration file that can be replaced/mounted in Docker.
README.md	Adds Docker instructions and an example config.custom.js for runtime configuration.

Comments suppressed due to low confidence (1)

web/src/Conf.js:24

• AuthConfig uses window.appConfig || { ...defaults }, so if config.js exists but provides only a partial config (or an empty object), required fields like redirectPath/organizationName become undefined and get passed into casdoor-js-sdk. Prefer merging runtime config over defaults (e.g., defaults overlaid with window.appConfig) so missing keys still fall back safely.

export const AuthConfig = window.appConfig || {
  // Fallback defaults if config.js is not loaded
  serverUrl: "https://door.casdoor.com",
  clientId: "af6b5aa958822fb9dc33",
  appName: "app-casibase",
  organizationName: "casbin",
  redirectPath: "/callback",
};

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🎉 This PR is included in version 1.71.0 🎉

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