feat: simplify semaphore and add ssh config

defaults/main.yaml

@@ -11,3 +11,15 @@ semaphore_email_host: "smtp"
 semaphore_email_port: "465"
 semaphore_email_username: "smtp-user"
 semaphore_email_password: "smtp-pass"
+
+# semaphore ansible ssh key
+semaphore_ansible_ssh_key: "supersecure"
+
+# semaphore ssh config
+semaphore_ssh_config: |
+  host *
+    user ansible
+    identityfile /home/semaphore/.ssh/ansible.key
+    addressfamily inet
+    stricthostkeychecking no
+    userknownhostsfile /dev/null