REPO: Add devcontainer configuraiton

This commit allows for a codespace to be created with the pre
configured commit hooks, codespell, and clang-format.

.devcontainer/devcontainer.json

@@ -0,0 +1,35 @@
+{
+  "name": "allStarLink Dev",
+  "image": "mcr.microsoft.com/devcontainers/cpp:dev-debian12",
+  "postCreateCommand": "git config --global --add safe.directory ${containerWorkspaceFolder}",
+  "postStartCommand": "git config --global core.hooksPath ${containerWorkspaceFolder}/dev/",
+  "features": {
+    "ghcr.io/devcontainers/features/github-cli:1": {},
+    "ghcr.io/rocker-org/devcontainer-features/apt-packages:1": {
+        "packages": "codespell,clang-format"
+    }
+  },
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "redhat.vscode-yaml",
+        "esbenp.prettier-vscode",
+        "ms-vscode.cpptools-extension-pack",
+        "GitHub.vscode-pull-request-github"
+      ],
+      "settings": {
+        "editor.formatOnPaste": false,
+        "editor.formatOnSave": true,
+        "editor.formatOnType": true,
+        "editor.defaultFormatter": "esbenp.prettier-vscode",
+        "files.trimTrailingWhitespace": true,
+        "terminal.integrated.profiles.linux": {
+          "zsh": {
+            "path": "/usr/bin/zsh"
+          }
+        },
+        "terminal.integrated.defaultProfile.linux": "zsh"
+      }
+    }
+  }
+}

dev/pre-commit

@@ -0,0 +1,42 @@
+#!/bin/sh
+#
+# An example hook script to verify what is about to be committed.
+# Called by "git commit" with no arguments.  The hook should
+# exit with non-zero status after issuing an appropriate message if
+# it wants to stop the commit.
+#
+# To enable this hook, rename this file to "pre-commit".
+
+if git rev-parse --verify HEAD >/dev/null 2>&1
+then
+	against=HEAD
+else
+	# Initial commit: diff against an empty tree object
+	against=$(git hash-object -t tree /dev/null)
+fi
+
+# Test clang-format
+clangformatout=$(git clang-format --style=file:./dev/.clang-format --diff --staged -q)
+
+# Redirect output to stderr.
+exec 1>&2
+
+if [ "$clangformatout" != "" ]
+then
+    echo "Format error!"
+    echo "Use git clang-format"
+    exit 1
+fi
+
+codespell=$(codespell --skip="./.git" --ignore-words=./dev/.codespellignore)
+
+exec 1>&2
+
+if [ "$codespell" != "" ]
+then
+   echo "Spelling errors!"
+   echo "Run codespell"
+   echo $codespell
+   exit 1
+fi
+