chore: Add Codespace Configuration

.devcontainer/Dockerfile

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+FROM mcr.microsoft.com/vscode/devcontainers/base:debian

.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/java-postgres
+{
+	"name": "Java & PostgreSQL",
+	"build": { 
+		"context": "..",
+		"dockerfile": "Dockerfile"
+	},
+	"workspaceFolder": "/workspaces/${localWorkspaceFolderBasename}",
+	"features": {
+		"ghcr.io/devcontainers-contrib/features/sbt-sdkman:2": {
+			"jdkVersion": "17"
+		},
+		"ghcr.io/devcontainers-contrib/features/scala-sdkman:2": {
+			"jdkVersion": "17"
+		},
+		"ghcr.io/devcontainers-contrib/features/scalacli-sdkman:2": {
+			"jdkVersion": "17"
+		},
+		"ghcr.io/devcontainers/features/anaconda:1": {}
+	},
+	// 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.
+	// This can be used to network with other containers or with the host.
+	// "forwardPorts": [
+	// 	51000,
+	// 	51001,
+	// 	51002
+	// ],
+	"customizations": {
+		"vscode": {
+			"extensions": [
+				"scalameta.metals",
+				"scala-lang.scala",
+				"EditorConfig.EditorConfig",
+				"k--kato.intellij-idea-keybindings",
+				"editorconfig.editorconfig",
+			        "github.vscode-pull-request-github",
+			        "ms-azuretools.vscode-docker",
+			        "ms-python.python",
+			        "ms-python.vscode-pylance",
+			        "ms-vsliveshare.vsliveshare",
+			        "ryanluker.vscode-coverage-gutters",
+			        "bungcip.better-toml",
+			        "GitHub.copilot",
+			        "GitHub.vscode-github-actions",
+			        "ms-vscode.azurecli",
+			        "ms-vscode.azure-account",
+			        "zokugun.explicit-folding",
+			        "MaxKless.git-squash-all",
+			        "GitHub.copilot-labs",
+			        "GitHub.codespaces"
+			]
+		}
+	},
+  	"onCreateCommand": "sbt setup"
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "java -version",
+	// Configure tool-specific properties.
+	// "customizations": {},
+	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+	// "remoteUser": "root"
+}