fix wrong spelling

Author: gzezFISHER

src/components/problem/edit.vue

@@ -1,6 +1,6 @@
 <template>
   <div>
-    <span class="text-extra-big">Edit proble #.{{this.$route.params.id}}</span>
+    <span class="text-extra-big">Edit problem #.{{this.$route.params.id}}</span>
     <el-input v-model="title" placeholder="input problem title here"></el-input>
     <MarkdownEditor v-model="mdContent" />
     <el-button type="primary" @click="submit();" :loading="buttonLoading">Submit</el-button>

src/components/problem/submit.vue

@@ -1,6 +1,6 @@
 <template>
   <div>
-    <span class="text-extra-big">Submit proble #.{{this.$route.params.id}}</span>
+    <span class="text-extra-big">Submit problem #.{{this.$route.params.id}}</span>
     <el-select v-model="lang_num" placeholder="Select language">
       <el-option
         v-for="item in options"