[indexer.client] Bring back .vscode

.vscode/extensions.json

+{
+    // See https://go.microsoft.com/fwlink/?LinkId=827846 to learn about workspace recommendations.
+    // Extension identifier format: ${publisher}.${name}. Example: vscode.csharp
+  
+    // List of extensions which should be recommended for users of this workspace.
+    "recommendations": [
+      "dbaeumer.vscode-eslint",
+      "editorconfig.editorconfig",
+      "juanblanco.solidity",
+      "golang.go",
+    ],
+  }
\ No newline at end of file

.vscode/settings.json

+{
+    "[typescript]": {
+      "editor.defaultFormatter": "dbaeumer.vscode-eslint",
+      "editor.formatOnSave": true
+    },
+    "eslint.workingDirectories": [
+      {
+        "directory": "packages/core-utils",
+        "changeProcessCWD": true
+      },
+      {
+        "directory": "packages/common-ts",
+        "changeProcessCWD": true
+      },
+      {
+        "directory": "packages/contracts",
+        "changeProcessCWD": true
+      },
+      {
+        "directory": "packages/chain-mon",
+        "changeProcessCWD": true
+      }
+    ],
+    "eslint.nodePath": "./node_modules/eslint/bin/",
+    "eslint.format.enable": true,
+    "editorconfig.generateAuto": false,
+    "files.trimTrailingWhitespace": true
+  }
\ No newline at end of file