docs(lancache-dns): helmify docs (#32749)

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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
- [x] 📜 Documentation Changes

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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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- [x] 📄 I have made changes to the documentation
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**➕ App addition**

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charts/stable/lancache-dns/docs/installation_notes.md

@@ -2,6 +2,9 @@
 title: Installation Notes
 ---
 
-- Set `USE GENERIC CACHE` to **true** if you are running `lancache-monolithic`.
-- Set `LANCACHE IP` to the local IP that `lancache-monolithic` runs on.
-- You can leave `Disable Cache DNS Resolvers` as disabled to cache all supported game servers or choose from the small list to not cache. you can add more by setting the environment variable of DISABLE\_${SERVICE}=true to `Configure Extra Environment Variables`.
+All is configured via Environment Variables in the `.Values`.
+
+If you are using a single monolithic instance:
+- Set `USE_GENERIC_CACHE` to **true** if you are running `single monolithic instance`.
+- Set `LANCACHE_IP` to the local IP that `lancache-monolithic` runs on.
+- If you want to disable certain supported game servers, this can be via the Environment Variables.