[BOOK-151] feat: 최근 검색어 title 추가

Author: easyhooon

feature/search/src/main/kotlin/com/ninecraft/booket/feature/search/SearchScreen.kt

@@ -125,6 +125,21 @@ internal fun SearchContent(
 
             is UiState.Idle -> {
                 LazyColumn {
+                    item {
+                        Column(
+                            modifier = Modifier
+                                .fillMaxWidth()
+                                .padding(horizontal = ReedTheme.spacing.spacing5, vertical = ReedTheme.spacing.spacing2),
+                        ) {
+                            Text(
+                                text = stringResource(R.string.recent_search),
+                                color = ReedTheme.colors.contentPrimary,
+                                style = ReedTheme.typography.body1SemiBold,
+                            )
+                            Spacer(modifier = Modifier.height(ReedTheme.spacing.spacing1))
+                        }
+                    }
+
                     items(
                         count = state.recentSearches.size,
                         key = { index -> state.recentSearches[index] },

feature/search/src/main/res/values/strings.xml

@@ -3,6 +3,7 @@
     <string name="search_title">도서 검색</string>
     <string name="search_result_prefix">총&#160;</string>
     <string name="search_result_suffix">개</string>
+    <string name="recent_search">최근 검색어</string>
     <string name="retry">다시 시도</string>
     <string name="no_more_results">더 이상 결과가 없습니다</string>
     <string name="error_message">오류가 발생했습니다</string>