docs: address frontmatter formatting

Author: Tochemey

docs/advanced/serialization.mdx

@@ -1,6 +1,6 @@
 ---
 title: Serialization
-description: Pluggable message serialization: ProtoSerializer, CBORSerializer, and JSONSerializer.
+description: "Pluggable message serialization: ProtoSerializer, CBORSerializer, and JSONSerializer."
 sidebarTitle: "Serialization"
 ---
 

docs/architecture/dispatcher-pool.mdx

@@ -1,6 +1,6 @@
 ---
 title: Dispatcher Pool
-description: The execution substrate underneath every actor: a fixed worker pool that cooperatively multiplexes the entire actor population.
+description: "The execution substrate underneath every actor: a fixed worker pool that cooperatively multiplexes the entire actor population."
 sidebarTitle: "Dispatcher Pool"
 ---
 

docs/index.mdx

@@ -1,6 +1,6 @@
 ---
 title: Introduction
-description: GoAkt: distributed actor framework for Go.
+description: "GoAkt: distributed actor framework for Go."
 sidebarTitle: "Introduction"
 ---