dev: rebase on a less personalized neovim flake

modules/theme/supported_themes.nix

@@ -0,0 +1,33 @@
+{
+  onedark = {
+    setup = { style ? "dark" }: ''
+      -- OneDark theme
+      require('onedark').setup {
+        style = "${style}"
+      }
+      require('onedark').load()
+    '';
+    styles = [ "dark" "darker" "cool" "deep" "warm" "warmer" ];
+  };
+
+  tokyonight = {
+    setup = { style ? "night" }: ''
+      -- need to set style before colorscheme to apply
+      vim.g.tokyonight_style = '${style}'
+      vim.cmd[[colorscheme tokyonight]]
+    '';
+    styles = [ "day" "night" "storm" ];
+  };
+
+  catppuccin = {
+    setup = { style ? "mocha" }: ''
+      -- Catppuccin theme
+      require('catppuccin').setup {
+        flavour = "${style}"
+      }
+      -- setup must be called before loading
+      vim.cmd.colorscheme "catppuccin"
+    '';
+    styles = [ "latte" "frappe" "macchiato" "mocha" ];
+  };
+}