Added devcontainer for docs

.devcontainer/Dockerfile

@@ -0,0 +1,12 @@
+FROM node:20
+
+RUN apt-get -q update \
+    && apt-get -q -y upgrade \
+    && apt-get install sudo \
+    && apt-get autoremove -y \
+    && apt-get clean -y \
+    && rm -rf /var/lib/apt/lists/*
+
+ARG USERNAME=node
+RUN echo $USERNAME ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME \
+    && chmod 0440 /etc/sudoers.d/$USERNAME

.devcontainer/devcontainer.json

@@ -0,0 +1,16 @@
+{
+  "name": "Blue Documentation",
+  "build": {
+    "dockerfile": "Dockerfile"
+  },
+  "remoteUser": "node",
+  "customizations": {
+    "vscode": {
+      "files.insertFinalNewline": true,
+      "files.trimTrailingWhitespace": true,
+      "editor.formatOnSave": true,
+      "editor.tabSize": 2,
+      "extensions": ["esbenp.prettier-vscode"]
+    }
+  }
+}