Added custom dockerfile with nvim

.devcontainer/Dockerfile

@@ -0,0 +1,34 @@
+FROM ubuntu:22.04
+ARG USERNAME=sumcol
+
+RUN apt update -y && apt upgrade -y && apt install -y \
+    build-essential \
+    zsh \
+    fish \
+    neovim \
+    cmake \
+    iputils-ping \
+    traceroute \
+    strace \
+    sudo \
+    curl \
+    llvm \
+    llvm-15 \
+    llvm-15-dev \
+    pkg-config \
+    libudev-dev \
+    rsync \
+    git \
+    htop \
+    less
+
+RUN useradd -m $USERNAME \
+    && echo $USERNAME ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME \
+    && chmod 0440 /etc/sudoers.d/$USERNAME
+USER $USERNAME
+
+# Install Rust
+ENV SHELL /bin/bash
+RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+ENV PATH="$HOME/.cargo/bin:$PATH"
+RUN cargo install ripgrep fd-find

.devcontainer/devcontainer.json

@@ -1,31 +1,5 @@
-// For format details, see https://aka.ms/devcontainer.json. For config options, see the
-// README at: https://github.com/devcontainers/templates/tree/main/src/rust
 {
-	"name": "Rust",
-	// Or use a Dockerfile or Docker Compose file. More info: https://containers.dev/guide/dockerfile
-	"image": "mcr.microsoft.com/devcontainers/rust:1-1-bullseye"
-
-	// Use 'mounts' to make the cargo cache persistent in a Docker Volume.
-	// "mounts": [
-	// 	{
-	// 		"source": "devcontainer-cargo-cache-${devcontainerId}",
-	// 		"target": "/usr/local/cargo",
-	// 		"type": "volume"
-	// 	}
-	// ]
-
-	// 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": "rustc --version",
-
-	// Configure tool-specific properties.
-	// "customizations": {},
-
-	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
-	// "remoteUser": "root"
+	"build": {
+        "dockerfile": "Dockerfile",
+    }
 }