chore(docs): standardize ./img references (#16704)

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- [ ] 🪛 Bugfix
- [ ] ⚠️ Breaking change (fix or feature that would cause existing
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- [ ] 🔃 Refactor of current code

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- [ ] ⚖️ My code follows the style guidelines of this project
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charts/stable/minecraft-java/docs/community-guide.md

@@ -12,17 +12,17 @@ You can easily run Multiple MC Servers. You simply need to change the external p
 
 MC Server 1
 
-![mc-server1](img/mc-server1.png)
+![mc-server1](./img/mc-server1.png)
 
 MC Server 2
 
-![mc-server2](img/mc-server2.png)
+![mc-server2](./img/mc-server2.png)
 
 ## Plugins DIR
 
 To easily get Plugins in to your MC server since PVC's are in use for the config storage you can add a host path storage for either /mods or /plugins depending on what your server needs like so
 
-![mc-plugins](img/mc-plugins.png)
+![mc-plugins](./img/mc-plugins.png)
 
 This will give you an easy folder to drop the plugins in and they will then sync to /data/plugins or /data/mods , you will/may need to shell in to the app to periodically clean up old versions
 
@@ -32,12 +32,12 @@ Using Dynmap as an example Under network and Services Check Show Expert config (
 
 Click Configure add Manual Custom Services and fill out like so also adding Configure additional service ports
 
-![mc-modports1](img/mc-modports1.png)
+![mc-modports1](./img/mc-modports1.png)
 
 For the second server instance the setup is about the same one minor difference is the need to change the port for dynmap in the container to a new port and configure like so (note this could of just been my system being silly due to my tests and not rebooting)
 
-![mc-modports2](img/mc-modports2.png)
+![mc-modports2](./img/mc-modports2.png)
 
 Dynmap Web working
 
-![dynmap](img/dynmap.png)
+![dynmap](./img/dynmap.png)