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/AdminStatusBar/AdminStatusBar.scss

@@ -0,0 +1,111 @@
+.fm-admin-status-bar-container {
+  position: relative;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  background: rgb(33, 33, 33);
+  height: 60px;
+  padding: 10px 16px;
+
+  &.is-loading {
+    filter: blur(1px);
+  }
+}
+
+.fm-admin-status-bar-left {
+  display: flex;
+  align-items: center;
+  gap: 16px;
+  color: rgb(229, 231, 235);
+}
+
+.fm-admin-status-bar-upgrade-button {
+  padding: 6px;
+  background-color: rgb(237, 237, 237);
+  border-radius: 0;
+  text-align: center;
+  font-weight: 700;
+  cursor: pointer;
+  transition: opacity 0.2s ease;
+
+  &:hover {
+    opacity: 0.9;
+  }
+
+  &[aria-disabled='true'] {
+    pointer-events: none;
+    opacity: 0.6;
+  }
+}
+
+.fm-admin-status-bar-loader {
+  position: absolute;
+  inset: 0;
+  pointer-events: none;
+  background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.04), transparent);
+  animation: fmShimmer 1.2s infinite;
+  border-radius: 6px;
+}
+
+@keyframes fmShimmer {
+  0% {
+    transform: translateX(-100%);
+  }
+  100% {
+    transform: translateX(100%);
+  }
+}
+
+.fm-admin-status-bar-progress-pill-container {
+  position: absolute;
+  height: 60px;
+  width: 100%;
+  display: flex;
+  align-items: center;
+  bottom: 0;
+  right: 0;
+}
+
+.fm-admin-status-progress-pill {
+  position: absolute;
+  right: 16px;
+
+  display: flex;
+  align-items: center;
+  gap: 6px;
+
+  padding: 6px 12px;
+  font-size: 13px;
+  font-weight: 500;
+
+  background: rgb(255, 255, 255);
+  color: #000000;
+  border: 1px solid rgba(255, 255, 255, 0.15);
+
+  backdrop-filter: blur(6px);
+  box-shadow: 0 0 8px rgba(0, 0, 0, 0.25);
+
+  cursor: pointer;
+  transition: all 0.2s ease-in-out;
+  z-index: 999;
+
+  &:hover {
+    background: rgb(221, 221, 221);
+  }
+
+  &::after {
+    content: '›';
+    font-size: 14px;
+    opacity: 0.7;
+    transition: transform 0.2s ease;
+  }
+
+  &:hover::after {
+    transform: translateX(2px);
+    opacity: 1;
+  }
+}
+
+.fm-admin-status-bar-container.is-loading .fm-admin-status-progress-pill {
+  filter: none;
+}