Replaced hard-coded strings with localizable strings

Added en locale as localization fallback

components/graphql/field.vue

@@ -23,7 +23,7 @@
     </div>
 
     <div class="field-deprecated" v-if="gqlField.isDeprecated">
-      DEPRECATED
+      {{ $t("deprecated") }}
     </div>
   </div>
 </template>

components/graphql/type.vue

@@ -6,7 +6,7 @@
     </div>
 
     <div v-if="gqlType.getFields">
-      <h5>FIELDS</h5>
+      <h5>{{ $t("fields") }}</h5>
       <div v-for="field in gqlType.getFields()" :key="field.name">
         <gql-field :gqlField="field" :jumpTypeCallback="jumpTypeCallback" />
       </div>