Using ~ for home in outfile parameter of configuration file will parse unexpectedly

[skyleo]

Describe the bug
Using ~ in path for outfile parameter in your configuration file will not be parsed as expected.
Instead a folder called '~' will be created starting from the home directory.

To Reproduce
Steps to reproduce the behavior:

1. Write outfile = "~/mirrorlist" under [general] in your configuration file
2. Execute mirro-rs
3. Export mirrorlist
4. mirrorlist will be exported to /home/user/~/mirrorlist

Expected behavior
Mirrorlist should be exported to /home/user/mirrorlist

Desktop (please complete the following information):

• OS: Arch Linux - 6.10.8-arch1-1
• Terminal: Alacritty, zsh
• mirro-rs version: 0.2.3

[rtkay123]

May you give this branch a test: fix/tilde. PR is linked