Replacing tabs with spaces.

Author: Oxyjun

src/content/docs/d1/configuration/environments.mdx

@@ -46,15 +46,15 @@ Therefore, the above binding is equivalent to:
 
 ```json
 {
-	"production": {
-		"d1_databases": [
-			{
-				"binding": "DB",
-    		"database_name": "DATABASE_NAME",
-    		"database_id": "DATABASE_ID"
-			}
-		]
-	}
+  "production": {
+    "d1_databases": [
+      {
+        "binding": "DB",
+        "database_name": "DATABASE_NAME",
+        "database_id": "DATABASE_ID"
+      }
+    ]
+  }
 }
 ```