Update README

README.md

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+```
+                     __    _                  
+                    / /   (_)___  __  ___  __
+                   / /   / / __ \/ / / / |/_/
+                  / /___/ / / / / /_/ />  <  
+                 /_____/_/_/ /_/\__,_/_/|_|  
+
+                 K E R N E L   P R O J E C T
+
+```
+
+# Linux Kernel Documentation
+
+Welcome to the Linux kernel documentation! Here you'll find comprehensive guides 
+for both kernel developers and users.
+
+## Quick Start Guide
+
+Before diving in, please read `Documentation/admin-guide/README.rst` first. This 
+will give you the essential foundation you need.
+
+## Available Formats
+
+Build the documentation in your preferred format:
+
+```bash
+make htmldocs    # Generate HTML documentation
+make pdfdocs     # Generate PDF documentation
+```
+
+Browse the latest documentation online at:
+https://www.kernel.org/doc/html/latest/
+
+## Documentation Overview
+
+* The `Documentation/` directory contains various text files using 
+  reStructuredText markup
+* Each subsystem typically has its own documentation folder
+* Documentation covers everything from basic usage to advanced development
+
+## Important Notice
+
+📢 Before upgrading your kernel, always read `Documentation/process/changes.rst`.
+This critical document covers:
+
+* Build requirements
+* Runtime requirements
+* Potential upgrade issues
+* Common solutions
+
+                     Happy hacking!
+```
+                          _nnnn_
+                         dGGGGMMb
+                        @p~qp~~qMb
+                        M|@||@) M|
+                        @,----.JM|
+                       JS^\__/  qKL
+                      dZP        qKRb
+                     dZP          qKKb
+                    fZP            SMMb
+                    HZM            MMMM
+                    FqM            MMMM
+                  __| ".        |\dS"qML
+                  |    `.       | `' \Zq
+                 _)      \.___.,|     .'
+                 \____   )MMMMMP|   .'
+                      `-'       `--'
+```