Sets license for all node.js packages to `GPL-2.0-or-later`
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## Summary by CodeRabbit
- **Chores**
- Simplified license compliance verification by removing legacy script
logic.
- Updated licensing terms across components to GPL-2.0-or-later for
broader compatibility.
- **Documentation**
- Revised setup instructions to indicate that the use of the Just build
tool is now optional.
- **New Features**
- Added fallback support in the build automation tool to ensure smoother
operations when targets are missing.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
to accomodate GPL-3.0 based dependencies.
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **Documentation**
- Revised licensing documentation to clearly state that the project is
distributed under GNU GPL v2 (or later) with complete terms provided.
- **Chores**
- Updated overall license declarations to a more flexible version.
- Introduced new compliance tools to automatically verify that
dependency licenses meet the accepted criteria.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Reverts unraid/api#1180
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
- **New Features**
- Enhanced the repository setup process by separating configuration for
backend and website modules.
- Introduced a new web setup routine that automates environment
initialization and dependency installation.
- Expanded the development workflow with commands for live development,
linting, type checking, and code generation.
- **Chores**
- Reorganized project scripts and dependency management for improved
consistency.
- Streamlined cleanup routines and refined configuration settings for
staging environments.
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- **Chores**
- Streamlined the installation and setup workflow by consolidating
multiple commands into a simpler process.
- Updated cleaning procedures to ensure complete removal of build
artifacts and dependencies.
- Adjusted environment file handling for clearer configuration
management.
