Chunking the blog posts for the stream.

src/config/raw.rs

@@ -9,6 +9,7 @@ pub(crate) struct RawConfig {
     email: Option<String>,
     pub(super) use_relative_paths: Option<bool>,
     pub(super) web_root: Option<String>,
+    pub(super) stream: Option<RawConfigStream>,
 }
 
 impl Default for RawConfig {
@@ -19,6 +20,20 @@ impl Default for RawConfig {
             email: None,
             use_relative_paths: None,
             web_root: None,
+            stream: None,
+        }
+    }
+}
+
+#[derive(Deserialize, Serialize)]
+pub(crate) struct RawConfigStream {
+    pub(super) entries_per_page: Option<usize>,
+}
+
+impl Default for RawConfigStream {
+    fn default() -> Self {
+        RawConfigStream {
+            entries_per_page: None,
         }
     }
 }