README update

README.md

@@ -1,26 +1,25 @@
 ![shellcheck](https://github.com/pmamico/java-ssl-tools/actions/workflows/shellcheck.yml/badge.svg) 
-![Cert](.img/ssl.svg)
+![Cert](https://github.com/pmamico/java-ssl-tools/blob/main/.img/ssl.svg?raw=true)
 
 # java-ssl-tools (jssl)
 
 Install, ping and uninstall certificates in java keystore.
 
-![demo](.doc/jssl.gif)
-
-
+![demo](https://raw.githubusercontent.com/pmamico/java-ssl-tools/main/.doc/jssl.gif)
 
 
 ## How to install
 
-via homebrew:
+
 ```
-brew install pmamico/java/jssl
+curl -sL https://raw.githubusercontent.com/pmamico/java-ssl-tools/main/install.sh | bash
 ```
-or
+on Windows, use `Git Bash` as system administrator. 
+or via homebrew:
 ```
-curl -sL https://raw.githubusercontent.com/pmamico/java-ssl-tools/main/install.sh | bash
+brew install pmamico/java/jssl
 ```
-on Windows, use `Git Bash` as system administrator.
+
 
 ## Manual
 ```
@@ -59,11 +58,11 @@ $ jssl <URL> install
 
 ## Supports
 
-| | Java 1.8 | Java 11 | Java 17 |
-|---------|--------------------|--------------------|--------------------|
-| Linux | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
-| MacOS | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
-| Windows | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
+| | Java 1.8 | Java 11 | Java 17 | Java 21 |
+|---------|--------------------|--------------------|--------------------|--------------------|
+| Linux | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
+| MacOS | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
+| Windows | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: |
 
 ## Requirements