Create test.md
add test.txt
add test
convert GeoJSON to SpatiaLite

convert modern_lake_biwa.geojson to modern_lake_biwa_modify.sqlite
add Sone_numa Pond.
modify GeoJSON file and add some screenshots
add GeoJSON.io screenshot
save .qgs file.
delete the unrelated files.
Merge pull request #1 from Say-no/Say-no_test

add Sone-numa pond and Noda-numa pond.