Add `git phf` alias

Signed-off-by: chatgris <julien@stormz.me>
Add `git mf` alias

Use to merge feature branch.

Signed-off-by: chatgris <julien@stormz.me>
Add `git rd` alias

Use to rebase develop branch on feature branch.

Signed-off-by: chatgris <julien@stormz.me>
Add `git dfs` alias

Signed-off-by: chatgris <julien@stormz.me>