Add pre-commit hooks to validate and cleanup

Signed-off-by: Jonathan Leitschuh <Jonathan.Leitschuh@gmail.com>

Author: JLLeitschuh

.devcontainer/Dockerfile

@@ -25,6 +25,3 @@ RUN cd /opt && \
 # [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>
-
-
-

.devcontainer/devcontainer.json

@@ -56,4 +56,4 @@
 	},
 	// Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
 	"remoteUser": "vscode"
-}
+}