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/InitialModal/InitialModal.scss

@@ -0,0 +1,18 @@
+.fm-initialization-modal-container {
+  position: absolute;
+  top: 0;
+  width: 100%;
+  height: 100vh;
+  background: rgba(237, 237, 237);
+  backdrop-filter: blur(5px);
+  z-index: 1300;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+}
+
+.fm-initilization-progress-content {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}