refactor(modules): reduce host repetition

modules/_lib/local.nix

@@ -0,0 +1,33 @@
+rec {
+	user = {
+		name = "cschmatzler";
+		fullName = "Christoph Schmatzler";
+		emails = {
+			personal = "christoph@schmatzler.com";
+			work = "christoph@tuist.dev";
+			icloud = "christoph.schmatzler@icloud.com";
+		};
+	};
+
+	secretPath = name: "/run/secrets/${name}";
+
+	mkHome = system:
+		if builtins.match ".*-darwin" system != null
+		then "/Users/${user.name}"
+		else "/home/${user.name}";
+
+	mkHost = system: {
+		inherit system;
+		home = mkHome system;
+	};
+
+	hosts = {
+		chidi = mkHost "aarch64-darwin";
+		janet = mkHost "aarch64-darwin";
+		michael = mkHost "x86_64-linux";
+		tahani = mkHost "x86_64-linux";
+	};
+
+	tailscaleDomain = "manticore-hippocampus.ts.net";
+	tailscaleHost = name: "${name}.${tailscaleDomain}";
+}