The bitbucket plugin doesn't support links, so better to make normal guide.

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branch : develop

CONTRIBUTING.md

@@ -1,2 +1,30 @@
-# Making pull requests
-Please, visit page https://wiki.valentinaproject.org/wiki/Hacking:Making_pull_requests in Wiki.
+# Before pull request
+
+This page describes how to create a pull request. We highly recommend you to read this page before you will decide to send us your changes.
+
+## Named branches
+
+First you should know little bit about our workflow. Right now we work with several named branches (https://www.mercurial-scm.org/wiki/NamedBranches).
+
+* *default* - used only for releases.
+* *develop* - branch that contains a code for the next major release. Code in this branch good enough for testing and sharing among developers.
+* *feature* - branch that contains a code for unfinished features.
+* *release* - used for feature freeze state before the next major release. And for preparing the next minor release.
+
+These are the main branches you should know about. There are several long term task specific branches in repository too. But we will not discuss them in this document.
+
+## Check yourself
+
+There are several things you should know for successful creating a pull request.
+
+- Please, read carefully official tutorial from Atlassian Making a Pull Request (https://www.atlassian.com/git/tutorials/making-a-pull-request).
+- Normally you are not allowed create new named branches. You should use **develop**, **feature** or **release** depend on a purpose.
+- Be sure you use correct branch for your changes. **This is the most popular mistake.**
+- - For very small/trivial patches (contains only one commit) use the **develop** named branch directly.
+- - For regular patches (contains several commits) you should use the branch **feature (recommended way)**. Don't worry if repository already contains one. We can have as many as we need.
+- Add correct description for your pull request. It should contain string "Resolved (or Fixed) issue #XXX. <Text of an issue description>". Where XXX is a number of issue in the Issue Tracker. Read more about Resolving issues automatically when push code (https://confluence.atlassian.com/bitbucket/resolve-issues-automatically-when-users-push-code-221451126.html).
+- Don't forget to add your changes to file ChangeLog.txt.
+- Merge your **develop/feature** branch with **develop** branch.
+
+# Reviewing 
+Most likely we will ask you to fix some issues in a code. In this case you will add your changes to the **feature** branch and update your pull request. No need to create new one each time.