Connection Modes are in the wrong order

Pretty sure these modes are in the wrong order.
from adapter.d.ts
```js
export declare enum ConnectionMode {
    AUTO = 0,
    PLAIN = 1,
    NODES = 2,
    EDGES = 3
}
```

This is important, because in the console we get the message ` Vuex-ORM: GraphQL Plugin  Connection Query Mode is 2 by config`

Author: ldiebold

docs/guide/connection-mode.md

@@ -22,8 +22,22 @@ In rare cases the automatic detection might fail or report the wrong mode. In th
 manually set the connection mode via a custom adapter. The modes and the resulting
 queries are explained in the next sections.
 
+## Mode 1: `plain` 
 
-## Mode 1: `nodes`
+The third mode is the less preferred one due to the lack of meta information. In this case we just plain pass the field
+queries:
+
+```
+query Users {
+  users {
+    id
+    email
+    name
+  }
+}
+```
+
+## Mode 2: `nodes`
 
 This is the preferred mode and used for the example queries in this documentation. Setting the connection mode to
 `nodes` (or letting the plugin auto detect this mode) will lead to the following query when calling `User.fetch()`:
@@ -41,7 +55,7 @@ query Users {
 ```
 
 
-## Mode 2: `edges` 
+## Mode 3: `edges` 
 
 This mode uses a `edges` not to query the edge an then query the `node` within that edge:
 
@@ -58,19 +72,3 @@ query Users {
   }
 }
 ```
-
-
-## Mode 3: `plain` 
-
-The third mode is the less preferred one due to the lack of meta information. In this case we just plain pass the field
-queries:
-
-```
-query Users {
-  users {
-    id
-    email
-    name
-  }
-}
-```