♻️ Major code restructuring

src/html.rs

@@ -0,0 +1,40 @@
+//! HTML in code.
+
+mod maud;
+pub use maud::{html, html_private, Markup, PreEscaped, DOCTYPE};
+
+mod assets;
+pub use assets::headscript::HeadScript;
+pub use assets::headstyles::HeadStyles;
+pub use assets::javascript::{JavaScript, ModeJS};
+pub use assets::stylesheet::{StyleSheet, TargetMedia};
+pub use assets::Assets;
+
+mod favicon;
+pub use favicon::Favicon;
+
+mod opt_id;
+pub use opt_id::OptionId;
+
+mod opt_name;
+pub use opt_name::OptionName;
+
+mod opt_string;
+pub use opt_string::OptionString;
+
+mod opt_translated;
+pub use opt_translated::OptionTranslated;
+
+mod opt_classes;
+pub use opt_classes::{ClassesOp, OptionClasses};
+
+mod opt_component;
+pub use opt_component::OptionComponent;
+
+pub mod unit;
+
+pub enum PrepareMarkup {
+    None,
+    Text(&'static str),
+    With(Markup),
+}