Add example configs

config/.gitignore

@@ -1 +1,2 @@
 webdav.yml
+webdav.json

config/example.json

@@ -0,0 +1,11 @@
+{
+  "debug": {
+    "addr": "0.0.0.0:8180",
+    "token": "",
+    "pprof": false
+  },
+  "http": {
+    "addr": "0.0.0.0:8190",
+    "root": "/"
+  }
+}

config/example.yml

@@ -1,8 +1,11 @@
 ---
 server:
   addr: 0.0.0.0:8180
+  token:
+  pprof: false
 
 metrics:
   addr: 0.0.0.0:8190
+  root: /
 
 ...