🚑 [macros] Corrige rutas absolutas en html!

- Mantiene fijas las rutas absolutas en las funciones de la macro html!.
- Introduce un alias interno del crate (`extern crate self as pagetop;`)
  en `src/lib.rs` para que las expansiones funcionen uniformemente en
  tests, ejemplos y dependencias externas.

Cargo.lock

@@ -1449,9 +1449,8 @@ dependencies = [
 
 [[package]]
 name = "pagetop-macros"
-version = "0.0.4"
+version = "0.0.5"
 dependencies = [
- "proc-macro-crate",
  "proc-macro2",
  "proc-macro2-diagnostics",
  "quote",
@@ -1618,15 +1617,6 @@ dependencies = [
  "zerocopy",
 ]
 
-[[package]]
-name = "proc-macro-crate"
-version = "3.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edce586971a4dfaa28950c6f18ed55e0406c1ab88bbce2c6f6293a7aaba73d35"
-dependencies = [
- "toml_edit",
-]
-
 [[package]]
 name = "proc-macro-hack"
 version = "0.5.20+deprecated"
@@ -2185,17 +2175,11 @@ checksum = "f271e09bde39ab52250160a67e88577e0559ad77e9085de6e9051a2c4353f8f8"
 dependencies = [
  "serde",
  "serde_spanned",
- "toml_datetime 0.7.0",
+ "toml_datetime",
  "toml_parser",
  "winnow",
 ]
 
-[[package]]
-name = "toml_datetime"
-version = "0.6.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22cddaf88f4fbc13c51aebbf5f8eceb5c7c5a9da2ac40a13519eb5b0a0e8f11c"
-
 [[package]]
 name = "toml_datetime"
 version = "0.7.0"
@@ -2205,17 +2189,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "toml_edit"
-version = "0.22.27"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41fe8c660ae4257887cf66394862d21dbca4a6ddd26f04a3560410406a2f819a"
-dependencies = [
- "indexmap",
- "toml_datetime 0.6.11",
- "winnow",
-]
-
 [[package]]
 name = "toml_parser"
 version = "1.0.0"