Merge pull request #848 from 0xc0170/fix_repository_guide

guidelines: add repository

Author: Amanda Butler

docs/reference/contributing/guidelines/guidelines.md

@@ -2,11 +2,11 @@
 
 Consistency is an important aspect of a codebase. To ensure consistency in Mbed OS code, we have created contributing guidelines. Any contribution to Mbed OS needs to meet the following criteria:
 
-* Design and coding style: Be consistent with your changes. We define software design principles and coding style in [this document](../contributing/style.html).
-* Contributions guidance: The process and how we review contributions is described in the [workflow](../contributing/workflow.html) document.
-* Licenses: Licenses should comply with the [licenses described here](../contributing/license.html).
+- Design and coding style: Be consistent with your changes. We define software design principles and coding style in [this document](../contributing/style.html).
+- Contributions guidance: The process and how we review contributions is described in the [workflow](../contributing/workflow.html) document.
+- Licenses: Licenses should comply with the [licenses described here](../contributing/license.html).
 
-### Access to the ARMmbed organisation on GitHub
+### Access to the ARMmbed organization on GitHub
 
 You might require direct access to the ARMmbed organization for one of the following reasons:
 
@@ -19,3 +19,11 @@ If so, you can request to become an organization member, but you must first ensu
 - All users must have 2 Factor Authentication enabled.
 - Arm staff must have their Name, Company (Arm), Location and Arm email address publicly visible.
 - All others should have their Name and Company visible. Entering your Location will help us interpret response times according to time zones.
+
+### New repository
+
+Each repository must contain:
+
+- `CONTRIBUTING.md` file (similar to [Mbed OS contributing](https://github.com/ARMmbed/mbed-os/blob/master/CONTRIBUTING.md)).
+- `LICENSE` file - the full license text or overview of every license in the repo with links.
+- `README.md` has a license and contributing section (similar to [Mbed OS license and contributions section](https://github.com/ARMmbed/mbed-os/blob/master/README.md#license-and-contributions)).