Set up the test env for next, alpha, beta channel

[dadiorchen]

trafficstars

We need to implement the channels for test env, they are: http://next-test.treetracker.org http://beta-test.treetracker.org http://alpha-test.treetracker.org

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Some hints:

• Please read our readme for more information/guide/tutorial.
• For design guidelines checkout our Figma design.
• Here is an engineering book in Greenstand.
• To know more about our organization, visit our website.
• If you want to join the slack community (some resources need the community member's permission), please leave your email address.
• More issues in this project: https://github.com/orgs/Greenstand/projects/26

[dadiorchen]

@emmanue great, you finished this one?