cleanup

.devcontainer/Dockerfile

@@ -4,6 +4,8 @@
 ARG VARIANT="buster"
 FROM mcr.microsoft.com/vscode/devcontainers/base:0-${VARIANT}
 
+RUN sudo apt install gnupg2 -y
+
 # ** [Optional] Uncomment this section to install additional packages. **
 # RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
 #     && apt-get -y install --no-install-recommends <your-package-list-here>

.devcontainer/devcontainer.json

@@ -14,7 +14,8 @@
 
 	// Add the IDs of extensions you want installed when the container is created.
 	"extensions": [
-		"rust-lang.rust-analyzer"
+		"rust-lang.rust-analyzer",
+		"LeetCode.vscode-leetcode"
 	],
 
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.