[Subtask] Extract Company Name from Email

[lnovitz]

Description

Predicts company name without using Gemini API (probably using regex)

Acceptance Criteria

• Write a function in backend that takes in an email (any combination of attributes that you think is important) and predicts Company Name without using Gemini API
• Write a helper function that standardizes the extracted company name (removes Inc, uppercase, removes HTML tags, etc.)
• Write unit test(s)

[lnovitz]

https://github.com/lnovitz/jobseeker-analytics/pull/323/files#diff-f879557b2b3aa1f4dda4142f5013226bad4f19149a05e13eba641e473430621e