adding missing i18n translations for shitpost mode

public/s/css/upload.css

@@ -62,6 +62,7 @@
     padding: 1rem;
     border-radius: 0;
     border: 1px solid rgba(255, 255, 255, 0.05);
+    gap: 5px;
 }
 
 .form-section label {
@@ -80,7 +81,6 @@
     border-radius: 0;
     padding: 5px;
     text-align: center;
-    cursor: pointer;
     transition: all 0.2s;
     position: relative;
     min-height: 100px;

public/s/js/upload.js

@@ -941,7 +941,7 @@ window.initUploadForm = (selector) => {
         if (isShitpost) {
             const addMoreItem = document.createElement('div');
             addMoreItem.className = 'file-preview-item add-more-item';
-            addMoreItem.innerHTML = '<span>Add more</span>';
+            addMoreItem.innerHTML = `<span>${window.f0ckI18n?.upload_add_more || 'Add more'}</span>`;
             addMoreItem.onclick = () => fileInput && fileInput.click();
             if (filePreview) filePreview.appendChild(addMoreItem);
         }