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

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⚒️ Fixes  # <!--(issue)-->

**⚙️ Type of change**

- [ ] ⚙️ Feature/App addition
- [ ] 🪛 Bugfix
- [ ] ⚠️ Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] 🔃 Refactor of current code

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**✔️ Checklist:**

- [ ] ⚖️ My code follows the style guidelines of this project
- [ ] 👀 I have performed a self-review of my own code
- [ ] #️⃣ I have commented my code, particularly in hard-to-understand
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- [ ] 📄 I have made corresponding changes to the documentation
- [ ] ⚠️ My changes generate no new warnings
- [ ] 🧪 I have added tests to this description that prove my fix is
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- [ ] ⬆️ I increased versions for any altered app according to semantic
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**➕ App addition**

If this PR is an app addition please make sure you have done the
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- [ ] 🪞 I have opened a PR on
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the container to TrueCharts mirror repo.
- [ ] 🖼️ I have added an icon in the Chart's root directory called
`icon.png`

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charts/stable/minecraft-java/README.md

@@ -2,14 +2,13 @@
 
 ## General Info
 
-TrueCharts can be installed as both *normal* Helm Charts or as Apps on TrueNAS SCALE.
+TrueCharts can be installed as both _normal_ Helm Charts or as Apps on TrueNAS SCALE.
 However only installations using the TrueNAS SCALE Apps system are supported.
 
 For more information about this App, please check the docs on the TrueCharts [website](https://truecharts.org/charts/stable/minecraft-java)
 
 **This chart is not maintained by the upstream project and any issues with the chart should be raised [here](https://github.com/truecharts/charts/issues/new/choose)**
 
-
 ## Support
 
 - Please check our [quick-start guides for TrueNAS SCALE](https://truecharts.org/manual/SCALE/guides/scale-intro).
@@ -24,4 +23,4 @@ For more information about this App, please check the docs on the TrueCharts [we
 TrueCharts can only exist due to the incredible effort of our staff.
 Please consider making a [donation](https://truecharts.org/sponsor) or contributing back to the project any way you can!
 
-*All Rights Reserved - The TrueCharts Project*
+_All Rights Reserved - The TrueCharts Project_

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)