Changed . token to _dot

This change allows the dotfiles to work with chezmoi (e.g: on windows)
and improves grepability with neovim/telescope

dot_config/nushell/nu_scripts/modules/prompt/simple.nu

@@ -0,0 +1,22 @@
+export def create_left_prompt [] {
+    let path_segment = if (is-admin) {
+        $"(ansi red_bold)($env.PWD)"
+    } else {
+        $"(ansi green_bold)($env.PWD)"
+    }
+    let duration_segment = do {
+        let duration_secs = ($env.CMD_DURATION_MS | into int) / 1000
+        if ($duration_secs >= 5) {
+            $"(ansi yellow_bold)($duration_secs | math round | into string | append "sec" | str join | into duration) "
+        } else {
+            ""
+        }
+    }
+    let exit_code_segment = if ($env.LAST_EXIT_CODE == 0) {
+        ""
+    } else {
+        $"(ansi red_bold)($env.LAST_EXIT_CODE) "
+    }
+
+    [$duration_segment, $exit_code_segment, $path_segment] | str join
+}