Feat: FileManager (#98) (#703)

* feat: add file manager module

- Complete file manager implementation with UI/UX
- Add drive management functionality
- Add file upload/download with progress tracking
- Add stamp integration and handling
- Add bulk operations and context menus

Co-authored-by: Roland Seres <roland.seres90@gmail.com>
Co-authored-by: nidishk <nidishkrishnan45@gmail.com>

src/modules/filemanager/components/UpgradeDriveModal/UpgradeDriveModal.scss

@@ -0,0 +1,60 @@
+.fm-upgrade-drive-modal {
+  width: 600px;
+}
+
+.fm-upgrade-drive-modal-wallet {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}
+
+.fm-upgrade-drive-modal-wallet-header {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.fm-upgrade-drive-modal-wallet-info {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.fm-upgrade-drive-modal-info {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  margin-top: 8px;
+  padding-top: 8px;
+  border-top: 1px solid rgb(229, 231, 235);
+}
+
+.fm-upgrade-drive-modal-info-link {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  width: max-content;
+  text-decoration: none;
+}
+
+.fm-upgrade-drive-modal-input-row {
+  display: flex;
+  justify-content: space-between;
+  gap: 24px;
+}
+
+.fm-upgrade-drive-modal-estimated-cost {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+  padding: 12px;
+  font-size: 14px;
+  background-color: white;
+  border: 1px solid rgb(229, 231, 235);
+}
+
+.fm-upgrade-drive-modal-wallet-info-container {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}