style: add json editor config

.editorconfig

@@ -8,3 +8,7 @@ trim_trailing_whitespace = true
 [*.tofu]
 indent_size = 2
 indent_style = space
+
+[*.json]
+indent_size = 2
+indent_style = space

.gitignore

@@ -5,3 +5,4 @@ terraform.tfstate.backup
 
 !.gitignore
 !.editorconfig
+!.vscode

.vscode/extensions.json

@@ -0,0 +1,6 @@
+{
+	"recommendations": [
+		"EditorConfig.EditorConfig",
+    "opentofu.vscode-opentofu"
+	]
+}