Ajout brouillon

drafts/brouter_profiles.md

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+## Writing a BRouter profile
+
+* http://brouter.de/brouter/profile_developers_guide.txt
+* brouter-web onglet "Data" bien utile !, exemple rue du père Corentin
+* https://github.com/abrensch/brouter/issues/118
+
+
+## Personal tips for writing BRouter profiles
+
+* Over-optimization pitfall
+* Don't consider too many variables, nothing is perfect
+* Always ensure your profile is working on multiple well known routes
+    (including long routes)
+
+
+## Unit-testing BRouter profiles for easier development
+
+* Idea introduced in https://github.com/abrensch/brouter/issues/116