chore: rename project from go-upkeep to uptop

Module path now gitea.lerkolabs.com/lerko/uptop.
Binary moves to cmd/uptop. All imports, display strings,
CI config, and docs updated.

internal/server/server.go

@@ -4,11 +4,11 @@ import (
 	"crypto/subtle"
 	"encoding/json"
 	"fmt"
-	"go-upkeep/internal/importer"
-	"go-upkeep/internal/metrics"
-	"go-upkeep/internal/models"
-	"go-upkeep/internal/monitor"
-	"go-upkeep/internal/store"
+	"gitea.lerkolabs.com/lerko/uptop/internal/importer"
+	"gitea.lerkolabs.com/lerko/uptop/internal/metrics"
+	"gitea.lerkolabs.com/lerko/uptop/internal/models"
+	"gitea.lerkolabs.com/lerko/uptop/internal/monitor"
+	"gitea.lerkolabs.com/lerko/uptop/internal/store"
 	"html/template"
 	"log"
 	"net/http"
@@ -59,7 +59,7 @@ var statusTpl = template.Must(template.New("status").Parse(`
 		<div id="summary" class="summary"></div>
 		<div id="stale" class="stale-bar"></div>
 		<div id="cards"></div>
-		<div style="text-align: center; margin-top: 40px; color: #565f89; font-size: 0.8em;">Powered by Go-Upkeep</div>
+		<div style="text-align: center; margin-top: 40px; color: #565f89; font-size: 0.8em;">Powered by uptop</div>
 	</div>
 	<script>
 		var lastUpdate = null;