chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

web_src/css/admin.css

@@ -0,0 +1,53 @@
+.admin dl.admin-dl-horizontal {
+  padding: 1em;
+  margin: 0;
+  display: flex;
+  flex-wrap: wrap;
+}
+
+.admin dl.admin-dl-horizontal dt,
+.admin dl.admin-dl-horizontal dd {
+  line-height: var(--line-height-default);
+  padding: 5px 0;
+}
+
+.admin dl.admin-dl-horizontal dt {
+  width: 300px;
+  max-width: calc(100% - 100px - 1em);
+  font-weight: var(--font-weight-semibold);
+}
+
+.admin dl.admin-dl-horizontal dd {
+  margin-left: auto;
+  width: calc(100% - 300px - 1em);
+  min-width: 100px;
+}
+
+.admin code,
+.admin pre {
+  white-space: pre-wrap;
+  overflow-wrap: break-word;
+}
+
+.admin .ui.table.segment {
+  overflow-x: auto; /* if the screen width is small, many wide tables (eg: user list) need scroll bars */
+}
+
+.admin .table th {
+  white-space: nowrap;
+}
+
+.admin-responsive-columns {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 1rem;
+  margin-bottom: 1rem;
+}
+
+.web-banner-content-editor .render-content.render-preview {
+  /* use the styles from ".ui.message" */
+  padding: 1em 1.5em;
+  border: 1px solid var(--color-info-border);
+  background: var(--color-info-bg);
+  color: var(--color-text);
+}