chore: initialize Gitea v1.27.2 fork

Includes direct password setup links in registration emails.

Assisted-by: Codex:GPT-5

templates/package/content/go.tmpl

@@ -0,0 +1,14 @@
+{{if eq .PackageDescriptor.Package.Type "go"}}
+	<h4 class="ui top attached header">{{ctx.Locale.Tr "packages.installation"}}</h4>
+	<div class="ui attached segment">
+		<div class="ui form">
+			<div class="field">
+				<label>{{svg "octicon-terminal"}} {{ctx.Locale.Tr "packages.go.install"}}</label>
+				<div class="markup"><pre class="code-block"><code>GOPROXY={{ctx.AppFullLink}}/api/packages/{{$.PackageDescriptor.Owner.Name}}/go go install {{$.PackageDescriptor.Package.Name}}@{{$.PackageDescriptor.Version.Version}}</code></pre></div>
+			</div>
+			<div class="field">
+				<label>{{ctx.Locale.Tr "packages.registry.documentation" "Go" "https://docs.gitea.com/usage/packages/go"}}</label>
+			</div>
+		</div>
+	</div>
+{{end}}