Add codespell support (config, workflow to detect/not fix) and make it fix few typos

.codespellrc

@@ -0,0 +1,6 @@
+[codespell]
+# Ref: https://github.com/codespell-project/codespell#using-a-config-file
+skip = .git*,.codespellrc
+check-hidden = true
+# ignore-regex = 
+# ignore-words-list =

.github/workflows/codespell.yml

@@ -0,0 +1,25 @@
+# Codespell configuration is within .codespellrc
+---
+name: Codespell
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  codespell:
+    name: Check for spelling errors
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Annotate locations with typos
+        uses: codespell-project/codespell-problem-matcher@v1
+      - name: Codespell
+        uses: codespell-project/actions-codespell@v2

readme.md

@@ -224,7 +224,7 @@ Reference: [Setting up Samba on Fedora](https://docs.fedoraproject.org/en-US/qui
 
 ### VPN / WireGuard
 
-It took some time to get WireGuard running rootless but the `docker-compose.yaml` file in the `vpn` folder is now working. [I spent a great deal of time experimenting with this](https://github.com/containers/podman/issues/15120) and I cannot exactly remember all the steps I took. I think the main thing you will need to do is enable the kernel module for WireGuard if it's not already enabled... and a few others for ip managment:
+It took some time to get WireGuard running rootless but the `docker-compose.yaml` file in the `vpn` folder is now working. [I spent a great deal of time experimenting with this](https://github.com/containers/podman/issues/15120) and I cannot exactly remember all the steps I took. I think the main thing you will need to do is enable the kernel module for WireGuard if it's not already enabled... and a few others for ip management:
 
 ```
 # see which modules are loaded