Merge Go frontend (apiserver + xcecli) into meson build

src/frontend/apiserver/config/auth.yaml.example

@@ -0,0 +1,19 @@
+# Authentication provider: config_file | pam | ldap | oauth2
+# - config_file: dev mode, users defined in this file
+# - pam:         Linux system PAM authentication (Linux only)
+# - ldap:        LDAP authentication (future)
+# - oauth2:      OAuth2/OIDC authentication (future)
+provider: config_file
+
+# ConfigFile provider settings
+config_file:
+  users:
+    - username: admin
+      password: admin
+      roles: [cluster_admin]
+    - username: user1
+      password: user1
+      roles: [basic_user]
+    - username: user2
+      password: user2
+      roles: [basic_user]