Support for catppuccin-latte (#741)

Complete the support for catppucin-mocha.

It looks like there's work for a better way to manage that (
https://github.com/catppuccin/catppuccin/discussions/2140 ) but this can
help other people.

themes/nu-themes/catppuccin-latte.nu

@@ -0,0 +1,114 @@
+const color_palette = {
+    rosewater: "#dc8a78"
+    flamingo: "#dd7878"
+    pink: "#ea76cb"
+    mauve: "#8839ef"
+    red: "#d20f39"
+    maroon: "#e64553"
+    peach: "#fe640b"
+    yellow: "#df8e1d"
+    green: "#40a02b"
+    teal: "#179299"
+    sky: "#04a5e5"
+    sapphire: "#209fb5"
+    blue: "#1e66f5"
+    lavender: "#7287fd"
+    text: "#4c4f69"
+    subtext1: "#5c5f77"
+    subtext0: "#6c6f85"
+    overlay2: "#7c7f93"
+    overlay1: "#8c8fa1"
+    overlay0: "#9ca0b0"
+    surface2: "#acb0be"
+    surface1: "#bcc0cc"
+    surface0: "#ccd0da"
+    crust: "#dce0e8"
+    mantle: "#e6e9ef"
+    base: "#eff1f5"
+
+}
+
+export def main [] { return {
+    separator: $color_palette.overlay0
+    leading_trailing_space_bg: { attr: "n" }
+    header: { fg: $color_palette.blue attr: "b" }
+    empty: $color_palette.lavender
+    bool: $color_palette.lavender
+    int: $color_palette.peach
+    duration: $color_palette.text
+    filesize: {|e|
+          if $e < 1mb {
+            $color_palette.green
+        } else if $e < 100mb {
+            $color_palette.yellow
+        } else if $e < 500mb {
+            $color_palette.peach
+        } else if $e < 800mb {
+            $color_palette.maroon
+        } else if $e > 800mb {
+            $color_palette.red
+        }
+    }
+    date: {|| (date now) - $in |
+        if $in < 1hr {
+            $color_palette.green
+        } else if $in < 1day {
+            $color_palette.yellow
+        } else if $in < 3day {
+            $color_palette.peach
+        } else if $in < 1wk {
+            $color_palette.maroon
+        } else if $in > 1wk {
+            $color_palette.red
+        }
+    }
+    range: $color_palette.text
+    float: $color_palette.text
+    string: $color_palette.text
+    nothing: $color_palette.text
+    binary: $color_palette.text
+    cellpath: $color_palette.text
+    row_index: { fg: $color_palette.mauve attr: "b" }
+    record: $color_palette.text
+    list: $color_palette.text
+    block: $color_palette.text
+    hints: $color_palette.overlay1
+    search_result: { fg: $color_palette.red bg: $color_palette.text }
+
+    shape_and: { fg: $color_palette.pink attr: "b" }
+    shape_binary: { fg: $color_palette.pink attr: "b" }
+    shape_block: { fg: $color_palette.blue attr: "b" }
+    shape_bool: $color_palette.teal
+    shape_custom: $color_palette.green
+    shape_datetime: { fg: $color_palette.teal attr: "b" }
+    shape_directory: $color_palette.teal
+    shape_external: $color_palette.teal
+    shape_externalarg: { fg: $color_palette.green attr: "b" }
+    shape_filepath: $color_palette.teal
+    shape_flag: { fg: $color_palette.blue attr: "b" }
+    shape_float: { fg: $color_palette.pink attr: "b" }
+    shape_garbage: { fg: $color_palette.text bg: $color_palette.red attr: "b" }
+    shape_globpattern: { fg: $color_palette.teal attr: "b" }
+    shape_int: { fg: $color_palette.pink attr: "b" }
+    shape_internalcall: { fg: $color_palette.teal attr: "b" }
+    shape_list: { fg: $color_palette.teal attr: "b" }
+    shape_literal: $color_palette.blue
+    shape_match_pattern: $color_palette.green
+    shape_matching_brackets: { attr: "u" }
+    shape_nothing: $color_palette.teal
+    shape_operator: $color_palette.peach
+    shape_or: { fg: $color_palette.pink attr: "b" }
+    shape_pipe: { fg: $color_palette.pink attr: "b" }
+    shape_range: { fg: $color_palette.peach attr: "b" }
+    shape_record: { fg: $color_palette.teal attr: "b" }
+    shape_redirection: { fg: $color_palette.pink attr: "b" }
+    shape_signature: { fg: $color_palette.green attr: "b" }
+    shape_string: $color_palette.green
+    shape_string_interpolation: { fg: $color_palette.teal attr: "b" }
+    shape_table: { fg: $color_palette.blue attr: "b" }
+    shape_variable: $color_palette.pink
+
+    background: $color_palette.base
+    foreground: $color_palette.text
+    cursor: $color_palette.blue
+}}