yazi: migrate highlight colors to mnemonics

This greatly improves readability and simplifies the process of reusing upstream
templates [1] in stylix modules.

Migration done with a simple bash script:

```bash
colors_base=("base08" "base09" "base0A" "base0B" "base0C" "base0D" "base0E" "base0F")
colors_name=("red" "orange" "yellow" "green" "cyan" "blue" "magenta" "brown")

for i in "${!colors_base[@]}"; do
  sed -i "s/${colors_base[i]}/${colors_name[i]}/g" modules/yazi/hm.nix
done
```

[1] https://github.com/yazi-rs/flavors/blob/main/scripts/catppuccin/template.toml

modules/yazi/hm.nix

@@ -23,70 +23,70 @@
           extension = ".tmTheme";
         };
 
-        cwd = mkFg base0C;
+        cwd = mkFg cyan;
         hovered = (mkBoth base05 base03) // {bold = true;};
         preview_hovered = hovered;
-        find_keyword = (mkFg base0B) // {bold = true;};
+        find_keyword = (mkFg green) // {bold = true;};
         find_position = mkFg base05;
-        marker_selected = mkSame base0A;
-        marker_copied = mkSame base0B;
-        marker_cut = mkSame base08;
-        tab_active = mkBoth base00 base0D;
+        marker_selected = mkSame yellow;
+        marker_copied = mkSame green;
+        marker_cut = mkSame red;
+        tab_active = mkBoth base00 blue;
         tab_inactive = mkBoth base05 base01;
         border_style = mkFg base04;
       };
 
       status = {
         separator_style = mkSame base01;
-        mode_normal = (mkBoth base00 base0D) // {bold = true;};
-        mode_select = (mkBoth base00 base0B) // {bold = true;};
-        mode_unset = (mkBoth base00 base0F) // {bold = true;};
+        mode_normal = (mkBoth base00 blue) // {bold = true;};
+        mode_select = (mkBoth base00 green) // {bold = true;};
+        mode_unset = (mkBoth base00 brown) // {bold = true;};
         progress_label = mkBoth base05 base00;
         progress_normal = mkBoth base05 base00;
-        progress_error = mkBoth base08 base00;
-        permissions_t = mkFg base0D;
-        permissions_r = mkFg base0A;
-        permissions_w = mkFg base08;
-        permissions_x = mkFg base0B;
-        permissions_s = mkFg base0C;
+        progress_error = mkBoth red base00;
+        permissions_t = mkFg blue;
+        permissions_r = mkFg yellow;
+        permissions_w = mkFg red;
+        permissions_x = mkFg green;
+        permissions_s = mkFg cyan;
       };
 
       select = {
-        border = mkFg base0D;
-        active = mkFg base0E;
+        border = mkFg blue;
+        active = mkFg magenta;
         inactive = mkFg base05;
       };
 
       input = {
-        border = mkFg base0D;
+        border = mkFg blue;
         title = mkFg base05;
         value = mkFg base05;
         selected = mkBg base03;
       };
 
       completion = {
-        border = mkFg base0D;
-        active = mkBoth base0E base03;
+        border = mkFg blue;
+        active = mkBoth magenta base03;
         inactive = mkFg base05;
       };
 
       tasks = {
-        border = mkFg base0D;
+        border = mkFg blue;
         title = mkFg base05;
         hovered = mkBoth base05 base03;
       };
 
       which = {
         mask = mkBg base02;
-        cand = mkFg base0C;
-        rest = mkFg base0F;
+        cand = mkFg cyan;
+        rest = mkFg brown;
         desc = mkFg base05;
         separator_style = mkFg base04;
       };
 
       help = {
-        on = mkFg base0E;
-        run = mkFg base0C;
+        on = mkFg magenta;
+        run = mkFg cyan;
         desc = mkFg base05;
         hovered = mkBoth base05 base03;
         footer = mkFg base05;
@@ -96,25 +96,25 @@
       filetype.rules = let
         mkRule = mime: fg: {inherit mime fg;};
       in [
-        (mkRule "image/*" base0C)
-        (mkRule "video/*" base0A)
-        (mkRule "audio/*" base0A)
+        (mkRule "image/*" cyan)
+        (mkRule "video/*" yellow)
+        (mkRule "audio/*" yellow)
 
-        (mkRule "application/zip" base0E)
-        (mkRule "application/gzip" base0E)
-        (mkRule "application/x-tar" base0E)
-        (mkRule "application/x-bzip" base0E)
-        (mkRule "application/x-bzip2" base0E)
-        (mkRule "application/x-7z-compressed" base0E)
-        (mkRule "application/x-rar" base0E)
-        (mkRule "application/xz" base0E)
+        (mkRule "application/zip" magenta)
+        (mkRule "application/gzip" magenta)
+        (mkRule "application/x-tar" magenta)
+        (mkRule "application/x-bzip" magenta)
+        (mkRule "application/x-bzip2" magenta)
+        (mkRule "application/x-7z-compressed" magenta)
+        (mkRule "application/x-rar" magenta)
+        (mkRule "application/xz" magenta)
 
-        (mkRule "application/doc" base0B)
-        (mkRule "application/pdf" base0B)
-        (mkRule "application/rtf" base0B)
-        (mkRule "application/vnd.*" base0B)
+        (mkRule "application/doc" green)
+        (mkRule "application/pdf" green)
+        (mkRule "application/rtf" green)
+        (mkRule "application/vnd.*" green)
 
-        ((mkRule "inode/directory" base0D) // {bold = true;})
+        ((mkRule "inode/directory" blue) // {bold = true;})
         (mkRule "*" base05)
       ];
     };