feat: show api balance (#582)

* feat: show api balance

* Update index.ts

* 保留小数点后五位

* perf: 判断优化

---------

Co-authored-by: Redon <790348264@qq.com>

src/components/common/Setting/About.vue

@@ -10,6 +10,7 @@ interface ConfigState {
   apiModel?: string
   socksProxy?: string
   httpsProxy?: string
+  balance?: string
 }
 
 const loading = ref(false)
@@ -55,6 +56,7 @@ onMounted(() => {
         </p>
       </div>
       <p>{{ $t("setting.api") }}：{{ config?.apiModel ?? '-' }}</p>
+      <p>{{ $t("setting.balance") }}：{{ config?.balance ?? '-' }}</p>
       <p>{{ $t("setting.reverseProxy") }}：{{ config?.reverseProxy ?? '-' }}</p>
       <p>{{ $t("setting.timeout") }}：{{ config?.timeoutMs ?? '-' }}</p>
       <p>{{ $t("setting.socks") }}：{{ config?.socksProxy ?? '-' }}</p>

src/locales/en-US.ts

@@ -63,6 +63,7 @@ export default {
     timeout: 'Timeout',
     socks: 'Socks',
     httpsProxy: 'HTTPS Proxy',
+    balance: 'API Balance',
   },
   store: {
     local: 'Local',

src/locales/zh-CN.ts

@@ -63,6 +63,7 @@ export default {
     timeout: '超时',
     socks: 'Socks',
     httpsProxy: 'HTTPS Proxy',
+    balance: 'API余额',
   },
   store: {
     local: '本地',

src/locales/zh-TW.ts

@@ -63,6 +63,7 @@ export default {
     timeout: '逾時',
     socks: 'Socks',
     httpsProxy: 'HTTPS Proxy',
+    balance: 'API余額',
   },
   store: {
     local: '本機',