feat(health): 调整血压测量滑动条范围

- 收缩压滑动条范围从80-220调整为70-200
- 舒张压滑动条范围从40-140调整为40-120
- 添加滑动条范围说明注释

src/pages/patient/health/details/blood-pressure.vue

@@ -70,12 +70,13 @@
           </view>
         </view>
 
+        <!--提供滑动条（收缩压70-200，舒张压40-120）-->
         <view class="ruler-wrap">
           <view class="ruler-row">
-            <ScaleRuler v-if="showAdd" :min="80" :max="220" :step="1" :gutter="16" :initialValue="addSystolic ?? 120" @update="onSUpdate" @change="onSChange" />
+            <ScaleRuler v-if="showAdd" :min="70" :max="200" :step="1" :gutter="16" :initialValue="addSystolic ?? 120" @update="onSUpdate" @change="onSChange" />
           </view>
           <view class="ruler-row">
-            <ScaleRuler v-if="showAdd" :min="40" :max="140" :step="1" :gutter="16" :initialValue="addDiastolic ?? 80" @update="onDUpdate" @change="onDChange" />
+            <ScaleRuler v-if="showAdd" :min="40" :max="120" :step="1" :gutter="16" :initialValue="addDiastolic ?? 80" @update="onDUpdate" @change="onDChange" />
           </view>
         </view>