[add] better error handling, [add] font selector, [add] tailwind generation

api/utils_test.go

@@ -0,0 +1,12 @@
+package api
+
+import "testing"
+
+func TestNiceSeconds(t *testing.T) {
+	want := "22d 7h 39m 31s"
+	nice := niceSeconds(1928371)
+
+	if nice != want {
+		t.Fatalf(`Expected: %v, Got: %v`, want, nice)
+	}
+}