Add support for devcontainer locally and remotely

.devcontainer/Dockerfile

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+FROM ghcr.io/xboxdev/nxdk:latest
+
+# NOTE: curl-dev is require to workaround unknown option failure from libcurl (assumed is old version)
+RUN apk add build-base ninja zip unzip curl-dev curl git
+
+# Initial env variable for vcpkg path
+ENV VCPKG_ROOT="/usr/local/vcpkg"
+ENV PATH="${PATH}:${VCPKG_ROOT}"
+
+# Install vcpkg
+RUN git clone https://github.com/microsoft/vcpkg ${VCPKG_ROOT} \
+    && ${VCPKG_ROOT}/bootstrap-vcpkg.sh
+
+# Include missing path to nxdk's bin directory.
+ENV PATH="${NXDK_DIR}/bin:${PATH}"

.devcontainer/devcontainer.json

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+{
+	"name": "Xbox Development",
+
+	"build": {
+		"dockerfile": "Dockerfile"
+	},
+
+	// Configure tool-specific properties.
+	"customizations": {
+		"vscode": {
+			"extensions": [
+				"ms-vscode.cpptools-extension-pack",
+				"ms-vscode.makefile-tools"
+			]
+		}
+	}
+}

.vscode/c_cpp_properties.json

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+{
+    "configurations": [
+        {
+            "name": "nxdk",
+            "includePath": [
+                "${default}",
+                "${NXDK_DIR}/lib",
+                "${NXDK_DIR}/lib/pdclib/include",
+                "${NXDK_DIR}/lib/pdclib/platform/xbox/include",
+                "${NXDK_DIR}/lib/winapi",
+                "${NXDK_DIR}/lib/xboxrt/libc_extensions",
+                "${NXDK_DIR}/lib/xboxrt/vcruntime"
+            ],
+            "compilerArgs": [
+                "-fms-extensions"
+            ],
+            "compilerPath": "${NXDK_DIR}/bin/nxdk-cc",
+            "intelliSenseMode": "windows-clang-x86"
+        }
+    ],
+    "version": 4
+}

.vscode/settings.json

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+{
+    "C_Cpp.autoAddFileAssociations": false,
+    "C_Cpp.default.includePath": [
+        "${workspaceFolder}/src"
+    ],
+    "files.exclude": {
+        "**/*.d": true,
+        "**/*.obj": true
+    }
+}