feat(dashboard, i18n): 增强仪表盘视觉效果与多语言支持

在英文、尼泊尔语和中文语言包中新增 “Other statuses” 翻译，提升仪表盘指标展示的清晰度。
在仪表盘中集成新的 StatCard 组件，用于更直观地展示关键指标数据。
更新仪表盘趋势图表，采用 recharts 实现更丰富的数据可视化效果。
重构现有组件与布局，优化整体交互与用户体验，使界面更加直观易用。

src/i18n/locales/en/dashboard.json

@@ -76,6 +76,7 @@
   "batchPending": "Pending review",
   "batchPublished": "Published",
   "batchTotal": "Total batches",
+  "batchOther": "Other statuses",
   "settlementOverview": "Settlement batches",
   "noSettlementBatches": "No settlement batches",
   "quickLinksTitle": "Quick links",

src/i18n/locales/ne/dashboard.json

@@ -76,6 +76,7 @@
   "batchPending": "समीक्षा बाँकी",
   "batchPublished": "प्रकाशित",
   "batchTotal": "कुल ब्याच",
+  "batchOther": "अन्य स्थिति",
   "settlementOverview": "सेटलमेन्ट ब्याच",
   "noSettlementBatches": "सेटलमेन्ट ब्याच छैन",
   "quickLinksTitle": "छिटो लिङ्क",

src/i18n/locales/zh/dashboard.json

@@ -76,6 +76,7 @@
   "batchPending": "待审核",
   "batchPublished": "已发布",
   "batchTotal": "批次合计",
+  "batchOther": "其他状态",
   "settlementOverview": "结算批次分布",
   "noSettlementBatches": "暂无结算批次",
   "quickLinksTitle": "快捷入口",