switch to main as default branch

Signed-off-by: Marques Johansson <mjohansson@equinix.com>

.github/workflows/ci.yml

@@ -4,7 +4,7 @@ on:
     tags:
       - v*
     branches:
-      - master
+      - main
   pull_request:
 jobs:
   golangci:

CONTRIBUTING.md

@@ -5,7 +5,7 @@
   - bugs: [https://github.com/equinix/docker-machine-driver-metal/issues](https://github.com/equinix/docker-machine-driver-metal/issues)
 
 ### Code of Conduct
-Available via [https://github.com/equinix/docker-machine-driver-metal/blob/master/.github/CODE_OF_CONDUCT.md](https://github.com/equinix/docker-machine-driver-metal/blob/master/.github/CODE_OF_CONDUCT.md)
+Available via [https://github.com/equinix/docker-machine-driver-metal/blob/main/.github/CODE_OF_CONDUCT.md](https://github.com/equinix/docker-machine-driver-metal/blob/main/.github/CODE_OF_CONDUCT.md)
 
 ### How to Submit Change Requests
 Please submit change requests and / or features via [Issues](https://github.com/equinix/docker-machine-driver-metal/issues). There's no guarantee it'll be changed, but you never know until you try. We'll try to add comments as soon as possible, though.

README.md

@@ -8,7 +8,7 @@
 
 The [Equinix Metal](https://metal.equinix.com) cloud bare-metal machine driver for Docker.
 
-This repository is [Maintained](https://github.com/packethost/standards/blob/master/maintained-statement.md) meaning that this software is supported by Equinix Metal and its community - available to use in production environments.
+This repository is [Maintained](https://github.com/packethost/standards/blob/main/maintained-statement.md) meaning that this software is supported by Equinix Metal and its community - available to use in production environments.
 
 ## Usage