Add Basic Authentication to config flow

[DaeronAlagos]

User Story

As a user who has configured a webhook trigger with n8n with Basic Authentication, I want to be able to submit the authentication credentials to the HA integration, so that I can make an authenticated request to n8n.

Acceptance Criteria

Adding integration for the first time

• Navigate to Settings -> Integrations -> Add Integration
• Search for n8n
• Input webhook url for n8n trigger
• Select 'Basic' from Authentication dropdown
• Click submit
• Confirm a new form (step) is presented
• Input username and password as configured on the n8n webhook trigger
• Click submit
• Initiate an assistant conversation in the usual manner and confirm that the n8n workflow runs as expected

Modifying an existing integration

TBC

Additional Notes
[Implementation, links, etc]

[EuleMitKeule]

Yup, adding basic authentication and other authentication mechanisms (e.g. bearer token) is a must.

[DaeronAlagos]

I'm almost there with this. Just need to fix an issue with the options flow. I've deliberately only considered Basic Auth for now to keep the diff as small as possible. Header & JWT should be pretty simple to add afterwards.

I'm wondering if there should be some tests in place first though, to make sure I haven't broken anything 😟

[EuleMitKeule]

Yeah, tests are another todo that would be nice to have.

[EuleMitKeule]

🎉 This issue has been resolved in version 1.6.0 🎉

The release is available on GitHub release

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