Added dev container

.devcontainer/Dockerfile

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+FROM eclipse-temurin:17-jdk-jammy
+
+USER root
+
+# set working directory
+WORKDIR /workspaces/RPKit

.devcontainer/README.md

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+# Dev Container
+This directory contains files related to the dev container for the project, which is a defined environment with the dependencies for compilation pre-installed.
+
+## Install Docker
+If you do not already have Docker installed, download it [here](https://www.docker.com/get-started/)_.
+
+## Entering Dev Container Environment via VSCode
+To enter the dev container environment using VSCode, follow these steps:
+1. Click on the "Open a Remote Window" button in the bottom left of VSCode
+1. Click "Reopen in Container"
+
+## Entering Dev Container Environment via Command Line
+### Windows
+To enter the dev container environment via the command line on Windows, run the following commands:
+```
+cd .\.devcontainer
+.\start_dev_container.bat
+```
+
+### Linux
+To enter the dev container environment via the command line on Linux, run the following commands:
+```
+cd ./.devcontainer
+./start_dev_container.sh
+```
+
+## Compiling
+To compile the project in the provided dev container, follow these steps:
+1. Make sure the End of Line (EOF) Sequence for the `gradlew` script is set to LF. If it is set to CRLF, the script will fail to run.
+1. Run the following command:
+```
+./gradlew clean build
+```

.devcontainer/devcontainer.json

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+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/ubuntu
+{
+	"name": "rpkdevcontainer",
+	"build": {
+        // Path is relative to the devcontainer.json file.
+        "dockerfile": "Dockerfile"
+    },
+
+	// Features to add to the dev container. More info: https://containers.dev/features.
+	// "features": {},
+
+	// 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": "uname -a",
+
+	// Configure tool-specific properties.
+	"customizations": {
+		"vscode": {
+			"extensions": [
+				"vscjava.vscode-java-pack",
+				"vscjava.vscode-gradle",
+				"fwcd.kotlin"
+			]
+		}
+	},
+
+	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+	"remoteUser": "root"
+}

.devcontainer/start_dev_container.bat

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+REM This script is meant to be run from the .devcontainer directory.
+
+docker build . -t rpk-dev-container
+docker run -it -v %cd%\..\:/workspaces/RPKit rpk-dev-container /bin/bash

.devcontainer/start_dev_container.sh

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+# This script is meant to be run from the .devcontainer directory.
+
+docker build . -t rpk-dev-container
+docker run -it -v %cd%\..\:/workspaces/RPKit rpk-dev-container /bin/bash