Add codespell support with configuration and fixes

.codespellrc

@@ -0,0 +1,7 @@
+[codespell]
+# Ref: https://github.com/codespell-project/codespell#using-a-config-file
+skip = .git,.gitignore,.gitattributes,.codespellrc
+check-hidden = true
+# Do not "fix" URLs even if they contain typos
+ignore-regex = https?://\S+
+# ignore-words-list =

.github/workflows/codespell.yml

@@ -0,0 +1,23 @@
+# 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: Codespell
+        uses: codespell-project/actions-codespell@8f01853be192eb0f849a5c7d721450e7a467c579  # v2.2

README.md

@@ -4,7 +4,7 @@ This repository contains the tools needed to quickly get started with Postal.
 
 For full details on how to use it [read the documentation](https://docs.postalserver.io).
 
-## Instralling pre-requisites
+## Installing pre-requisites
 
 There are a number of pre-requisites needed to run Postal. These are detailed [in the documentation](https://docs.postalserver.io/getting-started/prerequisites). If you're feeling a bit lazy (or just doing a lot of testing) , we have a couple of scripts which you can use to install everything needed.
 

bin/postal

@@ -62,7 +62,7 @@ run-docker-compose() {
     if [ ! -f "docker-compose.yml" ]; then
         echo 'No docker-compose file available. Generating using latest available version...'
         latest_version=`get-latest-postal-version`
-        echo "Latest verison is $latest_version"
+        echo "Latest version is $latest_version"
         set-postal-version $latest_version
     fi
 
@@ -219,7 +219,7 @@ case "$1" in
             exit $?
         fi
 
-        # Get the latest verison of Postal which we want to upgrade
+        # Get the latest version of Postal which we want to upgrade
         # to if no other version is provided.
         if [ "$2" == "" ]; then
             if [ ! $FORCE_VERSION == "" ]; then
@@ -288,7 +288,7 @@ case "$1" in
             exit 1
         fi
 
-        # Get the latest verison of Postal as the starting version for a
+        # Get the latest version of Postal as the starting version for a
         # new installation.
         if [ ! $FORCE_VERSION == "" ]; then
             latest_version="$FORCE_VERSION"