fix: hash plugins config to trigger page rebuilds (#387)

Signed-off-by: Timothée Mazzucotelli <dev@pawamoy.fr>

crates/zensical/src/config/project.rs

@@ -91,6 +91,8 @@ pub struct Project {
     pub nav: Vec<NavigationItem>,
     /// Template hash.
     pub template_hash: u64,
+    /// Plugins hash.
+    pub plugins_hash: u64,
     /// Source files.
     pub source_files: Vec<(PathBuf, u64)>,
 }

python/zensical/config.py

@@ -455,6 +455,14 @@ def _apply_defaults(config: dict, path: str) -> dict:
 
     # Hash all templates, so we rebuild if something changes
     config["template_hash"] = _hash(_list_templates(config))
+
+    # Hash the entire plugins configuration.
+    # This is a special case for plugins because we currently only source
+    # the plugin configuration that we support in Rust,
+    # which means config on other plugins doesn't contribute to the hash,
+    # in turn not triggering full rebuilds.
+    config["plugins_hash"] = _hash(config["plugins"])
+
     return config