Create ISSUE_TEMPLATE.md

... as a aproposal for issue creating on this repository ... https://groups.google.com/d/topic/osmand/RxsMIMdjyzk/discussion

ISSUE_TEMPLATE.md

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+For **general questions** about Osmand, please use the [googlegroup](https://groups.google.com/forum/#!forum/osmand).
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+Please be sure to have read our [FAQ](http://osmand.net/help-online) before creating an issue here. (Also tell us in googlegroup when the FAQ is wrong or outdated.)
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+The best way to get help about an Osmand issue is to create a valid and detailed issue content.
+Please give us the following information so that we can try to **reproduce** your issue:
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+What version of OsmAnd are you using, on what device and Android/iOS version?
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+Do you use the offline maps offered within the OsmAnd app for download, or online (tile / raster) maps?
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+If you have an issue related to offline maps, tell us the exact name of the map file where the issue occurs, and its edition date.
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+__*In case of wrong routing:*__
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+Tell us whether you have used OsmAnd's in-app offline routing, or any online routing provider like YOURS, OpenRouteService or OSRM.
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+What routing profile is choosen in OsmAnd app? (car, bike, pedestrian, fastest or shortest)
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+Please specify as exactly as possible the start and end point of your route by telling us city name and street name so that we can find it via in-app address search easily. Also a permalink from openstreetmap.org can be helpful.
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+Tell us your expected routing, and how OsmAnd routes, or add screenshots here.