[Feat]: Select proxy nodes in clashtui

[Jackhr-arch]

Please make sure you have read the above considerations and tick the confirmation box below.

• [X] I'm sure this is a feature that has never been proposed and implemented.
• [X] I've looked for the question I'm asking in Issue Tracker, and I didn't find the ISSUE for the same question.

Describe the solution

View, search and select proxy nodes in clashtui.

Related to #33