add readme

README.rst

@@ -0,0 +1,34 @@
+airspace checker
+================
+
+airspace-checker aims at being able to check that a given flight did respect the
+different airspaces.
+
+Its development is focused on French airspaces + paragliding/hanggliding.
+
+URL:
+http://wiki.kataplop.net/wiki/doku.php?id=geek:integrated_paragliding_portal
+
+DOWNLOAD: http://github.com/dkm/airspace-checker
+
+usage
+=====
+
+Currently, only the converter from OpenAir format to ESRI Shapefile is (partly)
+working:
+
+$ ./oair2shp.py france.txt france.shp
+
+converts the OpenAir file 'france.txt' to 'franche.shp' shapefile.
+
+This shapefile can be converted to KML using ogr2ogr tool:
+
+$ ogr2ogr -f KML france.kml france.shp france
+
+
+dependencies
+============
+
+The GDAL/OGR bindings for python ('python-gdal' package in Debian based distros).
+
+The 'gdal-bin' package can be useful (it contains the 'ogr2ogr' tool).