Add config for Earthworm (#19)

home-manager/earthworm.nix

@@ -0,0 +1,29 @@
+{
+  nixpkgs,
+  username,
+  dotnet,
+  ...
+}: {
+  home.packages = [nixpkgs.firefox-wayland];
+  nixpkgs.config.firefox.speechSynthesisSupport = true;
+
+  wayland.windowManager.sway = {
+    enable = true;
+    config = {
+      focus = {followMouse = false;};
+      modifier = "Mod4";
+      terminal = "alacritty";
+      window = {border = 5;};
+    };
+    extraConfig = ''
+      output Unknown-1 scale 2
+    '';
+  };
+
+  services.swayidle = {enable = true;};
+  services.cbatticon = {
+    lowLevelPercent = 20;
+    iconType = "standard";
+    enable = true;
+  };
+}