Update docs

Author: ethanhann

docs-src/queuing.md

@@ -107,13 +107,12 @@ Enqueue.Command(() => Console.WriteLine("Hello, world!"))
 The **exec** command allows for external programs to be executed.
 
 ```bash
-inengine queue:publish --plugin=InEngine.Core --command=exec --args="command=/usr/bin/python" "args=--version"
+inengine queue:publish --plugin=InEngine.Core --command=exec --args="executable=ls" "args=-lhp"
 ```
 
-!!! note "Do not include "--" for the command and args parameters."
+!!! note "Do not include "--" for the executable and args parameters."
     This is purely to make parsing easier internally.
 
-
 
 ### Sequentially In a Chain
 

src/InEngine.Core/Commands/Exec.cs

@@ -21,8 +21,9 @@ public class Exec : AbstractCommand
 
         public override void Run()
         {
+            var settings = InEngineSettings.Make();
             if (ExecWhitelist == null)
-                ExecWhitelist = InEngineSettings.Make().ExecWhitelist;
+                ExecWhitelist = settings.ExecWhitelist;
             if (!ExecWhitelist.ContainsKey(Executable))
                 throw new CommandFailedException("Executable is not whitelisted.");
             var fileName = ExecWhitelist[Executable];

src/InEngine/appsettings.json

@@ -1,8 +1,10 @@
 {
   "InEngine": {
     "Plugins": {
+      "InEngine.Commands": ""
     },
     "ExecWhitelist": {
+      "ls": "/bin/ls"
     },
     "Mail": {
       "Host": "localhost",
@@ -11,8 +13,8 @@
     },
     "Queue": {
       "UseCompression": false,
-      "PrimaryQueueConsumers": 4,
-      "SecondaryQueueConsumers": 2,
+      "PrimaryQueueConsumers": 1,
+      "SecondaryQueueConsumers": 1,
       "QueueDriver": "rabbitmq",
       "QueueName": "InEngineQueue",
       "Redis": {