Improve MIME type detection (fixes #279) (#281)

* Specify which application file types are allowed

* Attempt two

* attempt 3

* Update version edit too

good thing these commits will be squashed!

* Fix warnings

pages/mod/_id/newversion.vue

@@ -93,7 +93,7 @@
             upload multiple.
           </span>
           <FileInput
-            accept="application/*"
+            accept=".jar,application/java-archive,application/x-java-archive"
             multiple
             prompt="Choose files or drag them here"
             @change="updateVersionFiles"

pages/mod/_id/version/_version/index.vue

@@ -131,7 +131,14 @@
           </a>
         </div>
       </div>
-      <FileInput v-if="currentMember" class="file-input" @change="addFiles" />
+      <FileInput
+        v-if="currentMember"
+        accept=".jar,application/java-archive,application/x-java-archive"
+        multiple
+        prompt="Choose files or drag them here"
+        class="file-input"
+        @change="addFiles"
+      />
     </div>
   </div>
 </template>