PB-1969: vectortiles fix examples, add warning about filesize

Author: ltclm

docs/vector-tiles.md

@@ -67,9 +67,13 @@ curl -o demo.pbf https://vectortiles.geo.admin.ch/tiles/ch.swisstopo.relief.vt/v
 ```
 
 ## GetTileSets
+MBTiles are used for storing tiled map data in SQLite databases for immediate or offline usage and for efficient transfer.
 
-MBTiles for storing tiled map data in SQLite databases for immediate or offline usage and for efficient transfer.
-A MBtileSet request is in the following form:
+::: warning
+The file that is being downloaded in the example below is approximately **900MB** in size.
+:::
+
+A MBTileSet request is in the following form:
 
 <ApiCodeBlock url="https://vectortiles.geo.admin.ch/tiles/{layerName}/{version}/{layerName}.mbtiles" method="GET" />
 
@@ -100,7 +104,7 @@ The URL of the metadata file is:
 A Metadata request for the Base Map dataset:
 
 <ExampleCodeBlock
-request="curl https://vectortiles.geo.admin.ch/tiles/ch.swisstopo.base.vt/v1.0.0/tiles.json"
+request="curl --compressed https://vectortiles.geo.admin.ch/tiles/ch.swisstopo.base.vt/v1.0.0/tiles.json"
 example='{
   "basename": "tiles/ch.swisstopo.base.vt/v1.0.0",
   "name": "Basiskarte_v1.0.0",