refactor: remove Dockerfile and fix devcontainer configuration

.devcontainer/devcontainer.json

@@ -1,39 +1,15 @@
 {
-  "name": "Chatter Dev",
-  "build": {
-    "dockerfile": "Dockerfile"
-  },
-  "customizations": {
-    "vscode": {
-      "extensions": [
-        "dbaeumer.vscode-eslint",
-        "esbenp.prettier-vscode",
-        "ms-vscode.vscode-typescript-next",
-        "bradlc.vscode-tailwindcss",
-        "eamodio.gitlens",
-        "GitHub.copilot",
-        "GitHub.copilot-chat"
-      ],
-      "settings": {
-        "editor.defaultFormatter": "esbenp.prettier-vscode",
-        "editor.formatOnSave": true,
-        "editor.codeActionsOnSave": {
-          "source.fixAll.eslint": true
-        },
-        "typescript.tsdk": "./node_modules/typescript/lib",
-        "javascript.preferences.quoteStyle": "single",
-        "typescript.preferences.quoteStyle": "single",
-        "files.eol": "\n"
-      }
-    }
-  },
-  "forwardPorts": [5177],
-  "portsAttributes": {
-    "5177": {
-      "label": "Chatter App",
-      "onAutoForward": "openBrowser"
-    }
-  },
-  "postCreateCommand": "bun install && bun run css:watch && bun run deps:update",
-  "remoteUser": "vscode"
-}
+	"name": "Chatter",
+	"image": "mcr.microsoft.com/devcontainers/typescript-node:1-22-bookworm",
+	"features": {
+		"ghcr.io/devcontainers/features/git-lfs:1": {},
+		"ghcr.io/devcontainers/features/github-cli:1": {},
+		"ghcr.io/nhaef/devcontainer-bun:latest": {},
+		"ghcr.io/swift-server-community/swift-devcontainer-features/sqlite:1": {}
+	},
+	"forwardPorts": [
+		5177
+	],
+	"postCreateCommand": "bun install",
+	"remoteUser": "root"
+}