new setting: begin drawing a new trail from current location (#592)

* new setting: begin drawing a new trail from  current location

* apply only when drawing

* fix application when editing an existing route

* documentation

* ignore pointer events on location circles

* fix i18n

---------

Co-authored-by: Flomp <Flomp@users.noreply.github.com>
Co-authored-by: Christian Beutel <>

web/src/lib/i18n/locales/zh.json

@@ -17,6 +17,7 @@
   "added-trails-to": "添加路线到",
   "after": "之后",
   "all-activities": "所有活动",
+  "allow-auto-geolocate": "",
   "alphabetical": "字母",
   "already-account": "已注册账户？",
   "altitude": "海拔",
@@ -215,8 +216,8 @@
   "invalid-username": "无效用户名",
   "italian": "意大利语",
   "joined": "已加入",
-  "keep-private": "Keep private",
   "keep-original": "",
+  "keep-private": "Keep private",
   "language": "语言",
   "latitude": "纬度",
   "layer": "{n, plural, =1 {层} other {层}}",