Add alternative way to paste boorus on FF

src/Components/App.svelte

@@ -65,9 +65,14 @@
       const content = await navigator.clipboard.readText();
       $settings.rsources = JSON.parse(content);
     } catch {
-      alert("How can you fail so badly? pathetic...");
+      try {
+        const content = prompt("Paste it in here") || '';
+        $settings.rsources = JSON.parse(content);
+      } catch {
+        alert("How can you fail so badly? pathetic...");
+      }
     }
-  }
+  };
 
   const boardname = location.pathname.match(/\/([^/]*)\//)![1];
   let updating = false;
@@ -124,7 +129,12 @@
   <div class="backpanel" transition:slide>
     <div class="content">
       <h1>PEE Settings 0.{rev}</h1>
-      <h4><a href="https://2chen.moe/tech/">Join us on 2chen!</a> • <a href="https://git.coom.tech/araragi/JKCS/src/branch/master/README.md">Install JKCS!</a></h4>
+      <h4>
+        <a href="https://2chen.moe/tech/">Join us on 2chen!</a> •
+        <a href="https://git.coom.tech/araragi/JKCS/src/branch/master/README.md"
+          >Install JKCS!</a
+        >
+      </h4>
       <hr />
       <Tabs>
         <TabList>
@@ -294,9 +304,7 @@
               }}>Add a source</button
             >
             {#if $settings.rsources.length == 0}
-            <button
-              on:click={setFromClip}>Import Bulk from clipboard</button
-            >
+              <button on:click={setFromClip}>Import Bulk from clipboard</button>
             {/if}
             <Dialog bind:this={dial}>
               <div class="form">
@@ -420,7 +428,7 @@
             PNG Embedding method
             <select bind:value={$settings.pmeth}>
               {#each [0, 1, 2, 3, 4, 5] as m}
-              <option value={m}>Method {m}</option>
+                <option value={m}>Method {m}</option>
               {/each}
             </select>
           </label>