Allow to show public routes only (#262)

* speedup loading some pages (reduce data amount of trail lists)

* optimize code

* fix save bio, if no tileset defined

* improve/fix visibility filter

* radio buttons -> checkboxes

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Co-authored-by: Christian Beutel <>

web/src/lib/models/trail.ts

@@ -107,6 +107,7 @@ interface TrailFilter {
     author?: string;
     public?: boolean;
     shared?: boolean;
+    private?: boolean;
     near: {
         lat?: number,
         lon?: number,