Added devcontainer support

Signed-off-by: John Rofrano <johnnyroy@johnrofrano.com>

Author: rofrano

.devcontainer/Dockerfile

@@ -0,0 +1,35 @@
+# FROM mcr.microsoft.com/devcontainers/java:1-21-bullseye
+FROM ubuntu:22.04
+
+# Add any tools that are needed beyond Java
+RUN apt-get update && \
+    apt-get install -y sudo sed vim git make gcc zlib1g-dev zip unzip tree curl wget jq && \
+    apt-get autoremove -y && \
+    apt-get clean -y
+
+# Create a user for development
+ARG USERNAME=vscode
+ARG USER_UID=1000
+ARG USER_GID=$USER_UID
+
+# Create the user with passwordless sudo privileges
+RUN groupadd --gid $USER_GID $USERNAME \
+    && useradd --uid $USER_UID --gid $USER_GID -m $USERNAME -s /bin/bash \
+    && usermod -aG sudo $USERNAME \
+    && echo $USERNAME ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME \
+    && chmod 0440 /etc/sudoers.d/$USERNAME \
+    && chown -R $USERNAME:$USERNAME /home/$USERNAME
+
+WORKDIR /code-analyzer
+
+USER $USERNAME
+
+# Install Java and Gradle via SDKMan
+RUN curl -s "https://get.sdkman.io" | bash
+
+# This SHELL command is needed to run using `source`
+SHELL ["/bin/bash", "-c"]    
+RUN source "$HOME/.sdkman/bin/sdkman-init.sh" && \
+    sdk install java 17.0.12-sem && \
+    sdk use java 17.0.12-sem && \
+    sdk install gradle

.devcontainer/devcontainer.json

@@ -0,0 +1,46 @@
+// cspell: disable
+{
+	"name": "CodeAnalyzer",
+	"dockerFile": "Dockerfile",
+	"context": "..",
+	"remoteUser": "vscode",
+	"workspaceFolder": "/code-analyzer",
+    "workspaceMount": "source=${localWorkspaceFolder},target=/code-analyzer,type=bind,consistency=delegated",
+    "runArgs": ["-h", "codenet"],
+	"customizations": {
+		"vscode": {
+			"settings": {
+				"markdown-preview-github-styles.colorTheme": "light",
+				"makefile.extensionOutputFolder": "/tmp",
+				"cSpell.words": [
+					"northstar",
+					"cyclomatic",
+					"jgrapht",
+					"stdlibs"
+				],
+				"files.exclude": {
+					"**/.git": true,
+					"**/.DS_Store": true,
+					"**/*.pyc": true,
+					"**/__pycache__": true,
+					"**/.pytest_cache": true
+				}
+			},
+			"extensions": [
+				"vscjava.vscode-java-pack",
+				"vscjava.vscode-java-test",
+				"vscjava.vscode-java-debug",
+				"vscjava.vscode-gradle",
+				"donjayamanne.githistory",
+				"bierner.github-markdown-preview",
+				"yzhang.markdown-all-in-one",
+				"hnw.vscode-auto-open-markdown-preview",
+				"davidanson.vscode-markdownlint",
+				"bierner.markdown-preview-github-styles",
+				"streetsidesoftware.code-spell-checker",
+				"ms-azuretools.vscode-docker"
+			]
+		}
+	}
+	// "postCreateCommand": ""
+}