add missing class SshKeyPair

src/main/kotlin/org/domaindrivenarchitecture/provs/framework/ubuntu/keys/SshKeyPair.kt

@@ -0,0 +1,15 @@
+package org.domaindrivenarchitecture.provs.framework.ubuntu.keys
+
+import org.domaindrivenarchitecture.provs.framework.core.Secret
+
+class SshKeyPair(publicKey: Secret, privateKey: Secret) : KeyPair(publicKey, privateKey) {
+
+    val keyType = publicKey.plain().substringBefore(" ")
+
+    val sshAlgorithmName =
+        if (keyType.startsWith("ssh-")) {
+            keyType.removePrefix("ssh-")
+        } else {
+            "unknownKeyType"
+        }
+}