add test files for auth middleware

api/_testdata/config.json

@@ -0,0 +1,5 @@
+{
+    "authKeys": [
+        "existingkey"
+    ]
+}

api/_testdata/servers/existingserver.json

@@ -0,0 +1,14 @@
+{
+    "uuid": "existingserver",
+    "keys": {
+        "existinggkey": [
+            "g:*"
+        ],
+        "existingspecificskey": [
+            "s:test"
+        ],
+        "existingglobalskey": [
+            "s:*"
+        ]
+    }
+}

config.example.json

@@ -32,5 +32,8 @@
     "path": "logs/",
     "level": "info",
     "deleteAfterDays": 100
-  }
+  },
+  "authKeys": [
+      "somekey"
+  ]
 }