feat(hdiff): add project credits in generated HTML header

Author: postspectacular

packages/hdiff/src/cli.ts

@@ -19,7 +19,19 @@ if (args.length === 3) {
 	const [rev1, rev2] = args;
 	src1 = readFileSync(rev1).toString();
 	src2 = readFileSync(rev2).toString();
-	headerBody = ["header", ["h1", "File diff"], ["code", `${rev1} ⇌ ${rev2}`]];
+	headerBody = [
+		"header",
+		[
+			"h1",
+			"File diff",
+			[
+				"small",
+				"Made with ",
+				["a", { href: "https://thi.ng/hdiff" }, "thi.ng/hdiff"],
+			],
+		],
+		["code", `${rev1} ⇌ ${rev2}`],
+	];
 } else {
 	console.log("Usage:\n\thdiff file1 file2\n\thdiff relpath gitrev1 gitrev2");
 	process.exit(1);

packages/hdiff/src/theme.ts

@@ -37,8 +37,10 @@ export const compileTheme = (theme: Theme): string =>
 						padding: "0 0 0.25rem 0",
 						"border-bottom": "1px dotted currentColor",
 						"font-weight": 100,
+						"letter-spacing": "-0.05rem",
 					},
 				],
+				["small", { "margin-left": "1rem", "font-size": "60%" }],
 				["code", { "font-size": "66%" }],
 			],
 			["main", { "margin-top": "5rem" }],