Add devcontainer

Author: gbraad

.devcontainer/Containerfile

@@ -0,0 +1,5 @@
+FROM ghcr.io/gbraad-redhat/hugo:0.127.0
+
+RUN dnf install -y git-core \
+    && dnf clean all \
+    && rm -rf /var/cache/yum

.devcontainer/devcontainer.json

@@ -0,0 +1,13 @@
+{
+    "name": "Hugo environment",
+    "build": {
+        "dockerfile": "Containerfile"
+    },
+
+    "customizations": {
+        "vscode": {
+            "extensions": [
+            ]
+        }
+    }
+}