Add ISSUE_TEMPLATE.md

License: MIT
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>

ISSUE_TEMPLATE.md

+Version/Platform/Processor information (from `ipfs version --all`):
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+
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+Type (bug, feature, meta, test failure, question):
+Area (api, commands, daemon, fuse, etc):
+Priority (from P0: functioning, to P4: operations on fire):
+
+Description:
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+
+
+
+---------------------------------------------------
+This is for you! Please read, and then delete this text before posting it.
+The go-ipfs issues are only for bug reports and directly actionable features.
+Check https://github.com/ipfs/community/blob/master/contributing.md#reporting-issues if that doesn't fit.
+Check https://github.com/ipfs/go-ipfs/blob/master/contribute.md#how-to-report-an-issue if you are not sure how to fill this issue.