feat: added starship config

.config/starship/starship.toml

+add_newline = false
+
+[os]
+disabled = false
+
+[os.symbols]
+Arch = "󰣇 "
+
+[line_break]
+disabled = false
+
+[directory]
+fish_style_pwd_dir_length = 1
+
+[username]
+show_always = true
+
+[hostname]
+ssh_only = false