Add a basic basemap page (needs a lot of help)

Author: asinghvi17

docs/src/.vitepress/config.mts

@@ -45,6 +45,7 @@ export default defineConfig({
         { text: 'Whale shark trajectory', link: '/whale_shark' },
         { text: 'Ice loss animation', link: '/iceloss_ex' },
         { text: 'Interpolation On The Fly', link: '/interpolation' },
+        { text: 'Base maps', link: '/basemap' },
       ]
      },
 

docs/src/basemap.md

@@ -0,0 +1,10 @@
+# Base maps
+
+A "base map" is essentially a static image composed of map tiles, accessible through the [`basemap`](@ref) function.
+
+## Examples
+
+NASA GIBS tileset on GeoAxis
+
+OpenSnowMap sounds really cool, maybe a North Pole projection?
+