feat: 主题颜色的调整，现在支持切换颜色

src/uni_modules/zero-markdown-view/components/zero-markdown-view/zero-markdown-view.vue

@@ -1,13 +1,7 @@
 <template>
   <view class="zero-markdown-view">
-    <mp-html
-      :key="mpkey"
-      :selectable="selectable"
-      :scroll-table="scrollTable"
-      :tag-style="tagStyle"
-      :markdown="true"
-      :content="contentAi"
-    >
+    <mp-html :key="mpkey" :selectable="selectable" :scroll-table="scrollTable" :tag-style="tagStyle" :markdown="true"
+      :content="contentAi">
     </mp-html>
   </view>
 </template>
@@ -35,7 +29,7 @@ export default {
     },
     themeColor: {
       type: String,
-      default: "#2D91FF",
+      default: "#181B25",
     },
     codeBgColor: {
       type: String,
@@ -47,11 +41,11 @@ export default {
     },
     fontColor: {
       type: String,
-      default: "#171717",
+      default: "#181B25",
     },
     fontSubColor: {
       type: String,
-      default: "#4D4D4D",
+      default: "#717784",
     },
     aiMode: {
       type: Boolean,