init of contribute file

this is now mainly referring to the wiki.

CONTRIBUTING.md

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+# How to contribute
+ 
+I'm really glad you're reading this, because we need volunteer developers to help this project come to fruition.
+
+
+Here are some important resources:
+
+* [wiki](https://qelectrotech.org/wiki_new/doc/qt_creator#on_ajoute_le_style_de_code_qet)Qet code style
+
+## Testing
+
+## Submitting changes
+
+Always write a clear log message for your commits. One-line messages are fine for small changes, but bigger changes should look like this:
+
+    $ git commit -m "A brief summary of the commit
+    > 
+    > A paragraph describing what changed and its impact."
+
+## Coding conventions
+
+Start reading our code and you'll get the hang of it. We optimize for readability:
+
+  * We indent using tab, see https://qelectrotech.org/wiki_new/doc/qt_creator#on_ajoute_le_style_de_code_qet
+
+Thanks,
+QElectroTech