Merge pull request #40 from ubc-lib-geo/add-indonesia-index

Add Indonesia 250k index map closes #30

Author: ect123

maps/indonesia-250k.md

@@ -0,0 +1,11 @@
+---
+layout: map-item 
+slug: indonesia-250k
+title: Peta rupabumi Indonesia, 1:250,000 / dibuat oleh Badan Koordinasi Survey dan Pemetaan Nasional bekerjasama dengan Fakultas Geografi Universitas Gadjah Mada
+scale: 1:250,000
+years_published: 1984-1986
+location: Indonesia
+nosheets: 58
+infourl: http://resolve.library.ubc.ca/cgi-bin/catsearch?bid=2810697
+geojsonurl: https://raw.githubusercontent.com/ubc-lib-geo/spatial-indexes/master/indonesia_250k.geojson
+---