Add Starship configuration.

.config/starship.toml

@@ -0,0 +1,29 @@
+format = """
+$username\
+$hostname\
+$directory\
+$git_branch\
+$git_commit\
+$git_state\
+$git_metrics\
+$git_status\
+$package\
+$nodejs\
+$python\
+$rust\
+$nix_shell\
+$cmd_duration\
+$time\
+$line_break\
+$jobs\
+$battery\
+$status\
+$shell\
+$character"""
+
+[time]
+disabled = false
+format = '🕙[\[ $time \]]($style) '
+time_format = "%T"
+utc_time_offset = "local"
+