Add devcontainer configuration

Add configuration files for creating docker container

Author: HManiac74

.devcontainer/Dockerfile

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+
+ARG VARIANT=24-trixie
+FROM mcr.microsoft.com/devcontainers/javascript-node:4-${VARIANT}
+
+# Install tslint, typescript. eslint is installed by javascript image
+ARG NODE_MODULES="tslint-to-eslint-config typescript"
+RUN su node -c "umask 0002 && npm install -g ${NODE_MODULES}" \
+    && npm cache clean --force > /dev/null 2>&1
+
+# [Optional] Uncomment this section to install additional OS packages.
+# RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
+#     && apt-get -y install --no-install-recommends <your-package-list-here>
+
+# [Optional] Uncomment if you want to install an additional version of node using nvm
+# ARG EXTRA_NODE_VERSION=10
+# RUN su node -c "source /usr/local/share/nvm/nvm.sh && nvm install ${EXTRA_NODE_VERSION}"
+
+# [Optional] Uncomment if you want to install more global node packages
+# RUN su node -c "npm install -g <your-package-list -here>"

.devcontainer/devcontainer.json

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+{
+	"name": "Node.js & TypeScript",
+	"build": {
+		"dockerfile": "Dockerfile"
+	},
+	"features": {
+		"ghcr.io/devcontainers/features/git:1": {
+            "version": "latest",
+            "ppa": "false"
+        }
+	},
+
+	// Configure tool-specific properties.
+	"customizations": {
+		// Configure properties specific to VS Code.
+		"vscode": {
+			// Add the IDs of extensions you want installed when the container is created.
+			"extensions": [
+				"dbaeumer.vscode-eslint"
+			],
+			"settings": {
+				"github.copilot.chat.codeGeneration.instructions": [
+					{
+						"text": "This dev container includes the TypeScript compiler (`tsc`) pre-installed and available on the `PATH` for TypeScript development."
+					}
+				]
+			}
+		}
+	},
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "yarn install",
+
+	// Set `remoteUser` to `root` to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+	"remoteUser": "node"
+}