增加：补货额度变更来源增加变更类型文字说明

src/views/merchant/quota/index.vue

@@ -100,6 +100,7 @@
           <template slot-scope="scope">
             <div v-if="scope.row.source == 0">后台手动处理</div>
             <div v-else-if="scope.row.source == 1">补货减少</div>
+            <div v-else-if="scope.row.source == 2">售出增加</div>
             <div v-else>--</div>
           </template>
         </el-table-column>