docs: comprehensively update MentOS wiki
documentation(filesystems): point to read/write impl
documentation(fs): align vfs and procfs details
Updated File Systems (markdown)
fix(wiki): correct directory paths and type declarations
- Fix lib/ references: libc/inc → lib/inc, libc/src → lib/src
- Fix userspace paths: programs/ → userspace/bin/ in all exercises
- Fix strlen return type: int → size_t for correctness
- Ensure all code paths match actual MentOS repository structure
documentation(wiki): transform wiki into instructional learning resource
- Transform C-Library.md from reference to teaching document
- Add 4 learning paths to Home.md (Boot-to-Shell, Kernel Dev, Userspace, Troubleshooting)
- Add hands-on exercises to 7 pages (System-Calls, C-Library, Userspace-Programs, Scheduling, IPC, File-Systems, Debugging)
- Total: 40+ practical exercises with complete code examples
- Add visual diagrams and progressive complexity to explanations
- Emphasize 'teach concepts first, then reference' approach
style: formatting improvements to wiki pages
docs: rewrite File-Systems.md to teach filesystem and VFS concepts for students
Updated File Systems (markdown)
Created File Systems (markdown)