Bump version to 0.9.1

Author: filip26

SECURITY.md

@@ -4,9 +4,14 @@
 
 | Version | Supported |
 | ------- |:---------:|
-| 0.x.x   | ❌ |
-| 1.x.x   |  |
+| 0.x.x   | ✅ Supported |
+| 1.x.x   | ❌ Not supported |
 
 ## Reporting a Vulnerability
 
-Please report security vulnerabilities to [Filip Kolarik](mailto:filip26@gmail.com). Thank you!
+If you discover a security vulnerability, please report it responsibly by contacting:  
+
+**Filip Kolarik**  
+📧 [filip26@gmail.com](mailto:filip26@gmail.com)
+
+We will investigate promptly and work with you to address the issue. Thank you for helping keep the project secure!

pom.xml

@@ -7,7 +7,7 @@
     <groupId>com.apicatalog</groupId>
     <artifactId>carbon-did</artifactId>
 
-	<version>0.9.1-SNAPSHOT</version>
+	<version>0.9.1</version>
 	<packaging>jar</packaging>
 
 	<url>https://github.com/filip26/carbon-did-core</url>

src/main/java/com/apicatalog/did/resolver/DidResolutionException.java

@@ -15,6 +15,9 @@ public class DidResolutionException extends Exception {
      * Standard resolution error codes.
      */
     public enum Code {
+        /** The DID syntax is invalid and cannot be parsed. */
+        InvalidDid,
+
         /** The DID method resolution is not supported. */
         UnsupportedMethod,