Location notes (#482)

* try 1

* works

* equalize UI with ios

* ui cleanup

* geohash chats: no building

* load notes in background

* insta

* simplify and tor icon change

* icons nice

* refactor

* unify location enabled / disabled

* cooler

* simplify, doesnt subscribe right away

* load when clicked

* plus minus location notes

* load when tor is available

* translations

* fix transalations

* implement review comments

app/src/main/java/com/bitchat/android/geohash/LocationChannel.kt

@@ -5,6 +5,7 @@ package com.bitchat.android.geohash
  * Direct port from iOS implementation for 100% compatibility
  */
 enum class GeohashChannelLevel(val precision: Int, val displayName: String) {
+    BUILDING(8, "Building"), // iOS: precision 8 for building-level (used for Location Notes)
     BLOCK(7, "Block"),
     NEIGHBORHOOD(6, "Neighborhood"),
     CITY(5, "City"),