Simplify JSON formatting in Temporal Adjusters config.

Adjusted the `blurb` text for clarity and reformatted the `authors` field for improved readability. These changes maintain consistency with JSON coding standards and enhance the file's maintainability.

Author: Jegors Cemisovs

concepts/temporal-adjusters/.meta/config.json

@@ -1,5 +1,7 @@
 {
-  "blurb": "Perform common and complex date adjustments using Java's `TemporalAdjuster` interface and `TemporalAdjusters` utility class.",
-  "authors": ["rabestro"],
+  "blurb": "Perform date adjustments using Java's `TemporalAdjuster` interface and `TemporalAdjusters` utility class.",
+  "authors": [
+    "rabestro"
+  ],
   "contributors": []
 }