Capitalized "Pod" in multiple locations (#10199)

* Capitalized "Pod" in multiple locations

This style guide states to always capitalize Pod, but in the next section it was written in lowercase in a couple places. I've capitalized them.

* Capitalized two additional instances of "Pod" as recommended by @neolit123

content/en/docs/contribute/style/style-guide.md

@@ -56,11 +56,11 @@ leads to an awkward construction.
 Use angle brackets for placeholders. Tell the reader what a placeholder
 represents.
 
-1. Display information about a pod:
+1. Display information about a Pod:
 
        kubectl describe pod <pod-name>
 
-    where `<pod-name>` is the name of one of your pods.
+    where `<pod-name>` is the name of one of your Pods.
 
 ### Use bold for user interface elements
 
@@ -138,7 +138,7 @@ For field values of type string or integer, use normal style without quotation m
 
 ### Separate commands from output
 
-Verify that the pod is running on your chosen node:
+Verify that the Pod is running on your chosen node:
 
     kubectl get pods --output=wide
 
@@ -387,7 +387,7 @@ whether they're part of the "we" you're describing.
   <tr><th>Do</th><th>Don't</th></tr>
   <tr><td>Version 1.4 includes ...</td><td>In version 1.4, we have added ...</td></tr>
   <tr><td>Kubernetes provides a new feature for ...</td><td>We provide a new feature ...</td></tr>
-  <tr><td>This page teaches you how to use pods.</td><td>In this page, we are going to learn about pods.</td></tr>
+  <tr><td>This page teaches you how to use Pods.</td><td>In this page, we are going to learn about Pods.</td></tr>
 </table>
 
 ### Avoid jargon and idioms