docs: update docs

Author: hunterliu1003

docs/content/3.api/1.components/2.modal-fullscreen.md

@@ -7,11 +7,10 @@ It will be helpful for understanding the naming of [props](#props).
 
 ```html [ModalFullscreen.vue]
 <template>
-  <div class="vfm">
+  <div class="vfm vfm-fullscreen">
     <div class=vfm__content>
-      <div class="vfm-fullscreen-content">
-        <slot />
-      </div>
+      <slot />
+      <div class="vfm-swipe-banner-container"></div>
     </div>
   </div>
 </template>

docs/content/3.api/1.components/3.modal-bottom.md

@@ -8,10 +8,8 @@ It will be helpful for understanding the naming of [props](#props).
 ```html [ModalBottom.vue]
 <template>
   <div class="vfm">
-    <div class=vfm__content>
-      <div class="vfm-bottom-sheet-content">
-        <slot />
-      </div>
+    <div class="vfm-bottom-sheet">
+      <slot />
     </div>
   </div>
 </template>