fix: rest docs wording & change command POST endpoint (#1271)

### Motivation
Docs did not say correct method/endpoints

### Modification
Fix docs wording & added node command endpoint to be the same as docs

### Result
Now docs properly explains what it does and how to use it.

### Fixes
Fixes #1270

Author: docimin

modules/rest/src/main/java/eu/cloudnetservice/modules/rest/v2/V2HttpHandlerCluster.java

@@ -82,7 +82,7 @@ private void handleNodeRequest(@NonNull HttpContext context, @NonNull @RequestPa
   }
 
   @BearerAuth
-  @HttpRequestHandler(paths = "/api/v2/cluster/{node}", methods = "POST")
+  @HttpRequestHandler(paths = "/api/v2/cluster/{node}/command", methods = "POST")
   private void handleNodeCommandRequest(
     @NonNull HttpContext context,
     @NonNull @RequestPathParam("node") String node,

modules/rest/src/main/resources/documentation/swagger.json

@@ -1578,7 +1578,7 @@
       "post" : {
         "requestBody" : {
           "required" : true,
-          "description" : "The task to create",
+          "description" : "The task to create or edit",
           "content" : {
             "application/json" : {
               "schema" : {
@@ -1588,10 +1588,10 @@
           }
         },
         "tags" : [ "Tasks" ],
-        "summary" : "Creates a task",
+        "summary" : "Create or edit a task",
         "responses" : {
           "200" : {
-            "description" : "The request was ok but the task couldn't be created",
+            "description" : "The request was ok but the task couldn't be created / edited",
             "content" : {
               "application/json" : {
                 "schema" : {
@@ -1607,7 +1607,7 @@
             }
           },
           "201" : {
-            "description" : "The task was created successfully",
+            "description" : "The task was created / edited successfully",
             "content" : {
               "application/json" : {
                 "schema" : {
@@ -4008,6 +4008,13 @@
                 "type" : "string"
               },
               "example" : [ "spigot.jar", "plugins/cool.jar" ]
+            },
+            "includes" : {
+              "type" : "array",
+              "items" : {
+                "type" : "string"
+              },
+              "example" : [ "spigot.jar", "plugins/cool.jar" ]
             }
           }
         } ]