chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

templates/user/heatmap.tmpl

@@ -0,0 +1,13 @@
+{{if .EnableHeatmap}}
+{{/*HINT: USER-ACTIVITY-PUSH-COMMITS: it only uses the doer's action time, it doesn't use git commit's time */}}
+<div class="activity-heatmap-container">
+	<div id="user-heatmap" class="is-loading"
+		data-heatmap-url="{{.HeatmapURL}}"
+		data-locale-total-contributions="{{ctx.Locale.Tr "heatmap.number_of_contributions_in_the_last_12_months" "%s"}}"
+		data-locale-no-contributions="{{ctx.Locale.Tr "heatmap.no_contributions"}}"
+		data-locale-more="{{ctx.Locale.Tr "heatmap.more"}}"
+		data-locale-less="{{ctx.Locale.Tr "heatmap.less"}}"
+	></div>
+</div>
+<div class="divider"></div>
+{{end}}