chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

web_src/css/shared/settings.css

@@ -0,0 +1,53 @@
+.ui.vertical.menu > details.item {
+  user-select: none;
+  padding: 0;
+}
+
+.ui.vertical.menu > details.item summary {
+  display: flex;
+  justify-content: space-between; /* make the "::after" right-aligned */
+  align-items: center;
+  padding: 16px 13px; /* match Fomantic menu item padding */
+}
+
+.ui.vertical.menu > details.item > summary::marker, /* Chrome, Edge, Firefox */
+.ui.vertical.menu > details.item > summary::-webkit-details-marker /* Safari */ {
+  display: none;
+}
+
+.ui.vertical.menu > details.item > summary::after {
+  transition: transform 0.25s ease;
+  content: "";
+  width: 14px;
+  height: 14px;
+  mask-size: cover;
+  mask-image: var(--octicon-chevron-right);
+  background: currentcolor;
+  border: 1px solid var(--color-body); /* workaround https://bugzilla.mozilla.org/show_bug.cgi?id=1671784 */
+}
+
+.ui.vertical.menu > details.item[open] > summary::after {
+  transform: rotate(90deg);
+}
+
+/* default toggleable details menu: items don't have menu item padding, don't change background color on hover or active */
+.ui.vertical.menu > details.item > .menu {
+  margin: 0 0 10px; /* only need the space between the current details menu and next item */
+}
+
+/* full width toggleable details menu: items have menu item padding, change background color on hover and active */
+.ui.vertical.menu > details.item > .menu.items-full-width {
+  margin: 0;
+}
+
+.ui.vertical.menu > details.item > .menu.items-full-width > .item {
+  padding: 16px 13px; /* match Fomantic menu item padding */
+}
+
+.ui.vertical.menu > details.item > .menu.items-full-width > .item.active {
+  background: var(--color-active);
+}
+
+.ui.vertical.menu > details.item > .menu.items-full-width > .item:hover {
+  background: var(--color-hover); /* ".ui.vertical.menu .menu .item" resets the hover background, so we need to add it again */
+}