F3 - Table for listing customers

[RadenkovicZarko]

A table for listing all customers, displaying all the data received as a response from the backend. It's also necessary to implement the required search fields and functions.

[jovanoski1]

• [x] add api call
• [x] implement search
• [x] view option
• [x] edit option
• [x] delete option
• [x] add new customer
• [x] add permission check
• [x] drop-down in search - purpose???