add vscode config to support extension development

Signed-off-by: ChengZi <chen.zhang@zilliz.com>

.vscode/extensions.json

@@ -0,0 +1,10 @@
+{
+	// See http://go.microsoft.com/fwlink/?LinkId=827846
+	// for the documentation about the extensions.json format
+	"recommendations": [
+		"dbaeumer.vscode-eslint",
+		"ms-vscode.extension-test-runner",
+		"ms-vscode.vscode-typescript-next",
+		"ms-vscode.vscode-json"
+	]
+}

.vscode/launch.json

@@ -0,0 +1,34 @@
+// A launch configuration that compiles the extension and then opens it inside a new window
+// Use IntelliSense to learn about possible attributes.
+// Hover to view descriptions of existing attributes.
+// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+{
+	"version": "0.2.0",
+	"configurations": [
+		{
+			"name": "Run Extension",
+			"type": "extensionHost",
+			"request": "launch",
+			"args": [
+				"--extensionDevelopmentPath=${workspaceFolder}/packages/vscode-extension"
+			],
+			"outFiles": [
+				"${workspaceFolder}/packages/vscode-extension/dist/**/*.js"
+			],
+			"preLaunchTask": "npm: webpack:dev - packages/vscode-extension"
+		},
+		{
+			"name": "Extension Tests",
+			"type": "extensionHost",
+			"request": "launch",
+			"args": [
+				"--extensionDevelopmentPath=${workspaceFolder}/packages/vscode-extension",
+				"--extensionTestsPath=${workspaceFolder}/packages/vscode-extension/dist/test/suite/index"
+			],
+			"outFiles": [
+				"${workspaceFolder}/packages/vscode-extension/dist/test/**/*.js"
+			],
+			"preLaunchTask": "npm: webpack:dev - packages/vscode-extension"
+		}
+	]
+}

.vscode/settings.json

@@ -0,0 +1,26 @@
+// Place your settings in this file to overwrite default and user settings.
+{
+	"files.exclude": {
+		"**/node_modules": true,
+		"**/dist": false,
+		"**/out": false
+	},
+	"search.exclude": {
+		"**/node_modules": true,
+		"**/dist": true,
+		"**/out": true
+	},
+	// Turn off tsc task auto detection since we have the necessary tasks as npm scripts
+	"typescript.tsc.autoDetect": "off",
+	"typescript.preferences.includePackageJsonAutoImports": "on",
+	// ESLint settings
+	"eslint.workingDirectories": [
+		"packages/vscode-extension",
+		"packages/core"
+	],
+	// Format on save
+	"editor.formatOnSave": true,
+	"editor.codeActionsOnSave": {
+		"source.fixAll.eslint": "explicit"
+	}
+}

.vscode/tasks.json

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+// See https://go.microsoft.com/fwlink/?LinkId=733558
+// for the documentation about the tasks.json format
+{
+	"version": "2.0.0",
+	"tasks": [
+		{
+			"type": "npm",
+			"script": "webpack:dev",
+			"path": "packages/vscode-extension/",
+			"problemMatcher": "$tsc-watch",
+			"isBackground": true,
+			"presentation": {
+				"reveal": "never"
+			},
+			"group": {
+				"kind": "build",
+				"isDefault": true
+			}
+		},
+		{
+			"type": "npm",
+			"script": "webpack",
+			"path": "packages/vscode-extension/",
+			"group": "build",
+			"presentation": {
+				"echo": true,
+				"reveal": "silent",
+				"focus": false,
+				"panel": "shared",
+				"showReuseMessage": true,
+				"clear": false
+			},
+			"problemMatcher": "$tsc"
+		}
+	]
+}