feat: add VSCode dev container config and update Rocket to 0.4.5

.devcontainer/devcontainer.json

@@ -0,0 +1,25 @@
+// For format details, see https://aka.ms/vscode-remote/devcontainer.json
+{
+  "image": "mcr.microsoft.com/vscode/devcontainers/rust:0-1",
+  "runArgs": [
+    "--cap-add=SYS_PTRACE",
+    "--security-opt",
+    "seccomp=unconfined",
+  ],
+  "settings": {
+    "terminal.integrated.shell.linux": "/bin/zsh",
+    "lldb.executable": "/usr/bin/lldb",
+    "files.watcherExclude": {
+      "**/target/**": true,
+    },
+  },
+  "extensions": [
+    "rust-lang.rust",
+    "bungcip.better-toml",
+    "vadimcn.vscode-lldb",
+  ],
+  "forwardPorts": [
+    8000,
+  ],
+  "postCreateCommand": "rustup override set nightly && cargo build",
+}