Update README.md

Author: Mahdi

README.md

@@ -3,19 +3,24 @@
 </p>
 
 ---
-<h3 style="text-align: center">JVM/Linux Operating System</h2>
-This is a new idea and the first version of Java-based operating system.    
-This operating system is designed and implemented to run Java projects based on the `Java platform modular system (JPMS)`.   
-In this operating system, there is no news of the `GNU` project anymore, and all control and management of the operating system is done through `Java`.    
-The init program is rewritten with `rust` programming language.     
+<h3 style="text-align: center">JVM/Linux Operating System</h2>    
+This is a new idea and the first version of Java-based operating system.      
+This operating system is designed and implemented to run Java projects based on the `Java platform modular system (JPMS)`.      
+In this operating system, there is no news of the `GNU` project anymore, and all control and management of the operating system is done through `Java`.        
+**Note:** The init program is rewritten with `rust` programming language.     
+
+### License 
+This operating system distributed under GPL v2 license,     
+**Note:** You have to pay for access to the source code.   
+https://www.gnu.org/philosophy/selling.en.html
 
 ---
 <p align="center">
   <img src="./pictures/p2.png" alt="JOS"/>
 </p>
 
 Current Features : 
-* Control environment variables
+* Environment variables
 * Hostname
 * Networking :
     * Activate/Deactivate interface
@@ -31,13 +36,22 @@ Current Features :
 * Monitoring & log
     * File appender
     * Syslog appender
-* OCI (Used Podman engine)
-* Full modular operating system based on JPMS
+* **OCI (Used Podman engine)**
+* **Full modular operating system based on JPMS**
 * Filesystem controller 
     * Mount/Unmount (devtmpfs, sysfs, proc, ext4, ext3, btrfs, overlayFS, ntfs, vfat, swap, iso9660)
     * Swap off/on
     * Disk space usage
 * resolver (dns name server) 
 * Network diagnostics
     * ping
-  
+* **Admin web panel (default port 7080)**
+
+### Donat
+this is my cryptocurrency wallet address .
+Please help me to buy equipments 
+
+<p align="center">
+  <img src="./pictures/erc20_wallet_address.png" alt="JOS" width="250"/>
+  <img src="./pictures/trc20_wallet_address.png" alt="JOS" width="250"/>
+</p>