Update docs

Author: ethanhann

docs-src/queuing.md

@@ -107,7 +107,7 @@ Enqueue.Command(() => Console.WriteLine("Hello, world!"))
 The **exec** command allows for external programs to be executed.
 
 ```bash
-inengine queue:publish --plugin=InEngine.Core --command=exe --args="command=/usr/bin/python" "args=--version"
+inengine queue:publish --plugin=InEngine.Core --command=exec --args="command=/usr/bin/python" "args=--version"
 ```
 
 !!! note "Do not include "--" for the command and args parameters."

docs/queuing/index.html

@@ -879,7 +879,7 @@ <h3 id="with-lambda-expressions">With Lambda Expressions<a class="headerlink" hr
 
 <h3 id="with-the-exec-command">With the "exec" Command<a class="headerlink" href="#with-the-exec-command" title="Permanent link">&para;</a></h3>
 <p>The <strong>exec</strong> command allows for external programs to be executed.</p>
-<div class="codehilite"><pre><span></span>inengine queue:publish --plugin<span class="o">=</span>InEngine.Core --command<span class="o">=</span>exe --args<span class="o">=</span><span class="s2">&quot;command=/usr/bin/python&quot;</span> <span class="s2">&quot;args=--version&quot;</span>
+<div class="codehilite"><pre><span></span>inengine queue:publish --plugin<span class="o">=</span>InEngine.Core --command<span class="o">=</span><span class="nb">exec</span> --args<span class="o">=</span><span class="s2">&quot;command=/usr/bin/python&quot;</span> <span class="s2">&quot;args=--version&quot;</span>
 </pre></div>