Include documentation in the application

doc/bitbucket-webhooks.markdown

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+Bitbucket webhooks
+==================
+
+Bitbucket events can be connected to Kanboard automatic actions.
+
+List of supported events
+------------------------
+
+- Bitbucket commit received
+- Bitbucket issue opened
+- Bitbucket issue closed
+- Bitbucket issue reopened
+- Bitbucket issue assignee change
+- Bitbucket issue comment created
+
+List of supported actions
+-------------------------
+
+- Create a task from an external provider
+- Change the assignee based on an external username
+- Create a comment from an external provider
+- Close a task
+- Open a task
+
+Configuration
+-------------
+
+![Bitbucket configuration](http://kanboard.net/screenshots/documentation/bitbucket-webhooks.png)
+
+1. On Kanboard, go to the project settings and choose the section **Integrations**
+2. Copy the Bitbucket webhook url
+3. On Bitbucket, go to the project settings and go to the section **Webhooks**
+4. Choose a title for your webhook and paste the Kanboard url
+
+Examples
+--------
+
+### Close a Kanboard task when a commit pushed to Bitbucket
+
+- Choose the event: **Bitbucket commit received**
+- Choose the action: **Close the task**
+
+When one or more commits are sent to Bitbucket, Kanboard will receive the information, each commit message with a task number included will be closed.
+
+Example:
+
+- Commit message: "Fix bug #1234"
+- That will close the Kanboard task #1234
+
+### Add comment when a commit received
+
+- Choose the event: **Bitbucket commit received**
+- Choose the action: **Create a comment from an external provider**
+
+The comment will contains the commit message and the url to the commit.