Add .editorconfig (devcontainers#476)

* Add .editorconfig

* address comment

* Update .editorconfig

Co-authored-by: eitsupi <50911393+eitsupi@users.noreply.github.com>

---------

Co-authored-by: eitsupi <50911393+eitsupi@users.noreply.github.com>

Author: samruddhikhandale

.devcontainer/devcontainer.json

@@ -1,23 +1,17 @@
 {
     "image": "mcr.microsoft.com/devcontainers/javascript-node:0-18",
+    "features": {
+        "ghcr.io/devcontainers/features/docker-in-docker:2": {},
+        "ghcr.io/devcontainers/features/azure-cli:1": {}
+    },
+    "postCreateCommand": "npm install -g @devcontainers/cli",
     "customizations": {
         "vscode": {
             "extensions": [
                 "mads-hartmann.bash-ide-vscode",
-                "dbaeumer.vscode-eslint"
+                "dbaeumer.vscode-eslint",
+                "EditorConfig.EditorConfig"
             ]
-        },
-        "codespaces": {
-            "repositories": {
-                "devcontainers/features": {
-                    "permissions": "write-all"
-                }
-            }
         }
-    },
-    "features": {
-        "ghcr.io/devcontainers/features/docker-in-docker:2": {},
-        "ghcr.io/devcontainers/features/azure-cli:1": {}
-    },
-    "postCreateCommand": "npm install -g @devcontainers/cli"
+    }
 }

.editorconfig

@@ -0,0 +1,12 @@
+root = true
+
+[*.json]
+indent_style = tab
+
+[Dockerfile]
+indent_style = spaces
+indent_size = 4
+
+[*.{yml,yaml}]
+indent_style = spaces
+indent_size = 2

.vscode/extensions.json

@@ -0,0 +1,10 @@
+{
+    // 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": [
+        // We recommend this extension for contributors to assist with the correct styling and formatting of files in this repo.
+        "EditorConfig.EditorConfig",
+    ],
+}