Improve devcontainer

Author: tansongchen

.devcontainer/devcontainer.json

@@ -1,22 +1,13 @@
-// See https://github.com/julia-vscode/julia-devcontainer/blob/master/Dockerfile for image contents
 {
-	"name": "Julia (Community)",
+	"name": "TaylorDiff.jl Development Container",
 	"image": "ghcr.io/julia-vscode/julia-devcontainer",
-
-	// Configure tool-specific properties.
 	"customizations": {
-		// Configure properties specific to VS Code.
 		"vscode": {
-			// Add the IDs of extensions you want installed when the container is created.
 			"extensions": [
-				"ms-ceintl.vscode-language-pack-zh-hans",
 				"julialang.language-julia",
 				"bungcip.better-toml"
 			]
 		}
 	},
-
-	"postCreateCommand": "/julia-devcontainer-scripts/postcreate.jl",
-
-	"remoteUser": "vscode"
+	"postCreateCommand": "julia -e 'using Pkg; Pkg.add([\"Revise\", \"TestEnv\"])'"
 }

.gitignore

@@ -4,3 +4,4 @@ Manifest.toml
 *.jl.cov
 *.jl.mem
 /docs/build/
+JuliaSysimage.*