refactor(ripgrep): improve search result formatting

Enhance the output format of Ripgrep search results by adding clear separators and a descriptive header when results are found. This improves readability and user experience.

Author: phodal

exts/devins-lang/src/main/kotlin/cc/unitmesh/devti/language/compiler/exec/RipgrepSearchInsCommand.kt

@@ -23,6 +23,10 @@ class RipgrepSearchInsCommand(
         val searchDirectory = myProject.baseDir!!.path
         val searchContent = text ?: scope
         val result = RipgrepSearcher.searchFiles(myProject, searchDirectory, searchContent, null).get()
-        return result ?: "No result found for /$commandName:$searchContent"
+        return if (result?.isNotEmpty() == true) {
+            "RipGrep Search Result: \n===============================$result\n===============================\n"
+        } else {
+            "No result found for /$commandName:$searchContent"
+        }
     }
 }