diff --git a/Dockerfile b/Dockerfile
index d48e5c4..49f97b6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,6 +11,7 @@ WORKDIR /app/book
 
 # Install honkit globally and build the book
 RUN npm install -g honkit && \
+    npm install honkit-plugin-theme-darkening --save-dev && \
     honkit build
 
 # Final Stage: Serve with Nginx
diff --git a/book/.gitignore b/book/.gitignore
new file mode 100644
index 0000000..0974d9e
--- /dev/null
+++ b/book/.gitignore
@@ -0,0 +1,2 @@
+node_modules
+_book
diff --git a/book/README.md b/book/README.md
index 3d07efe..28c11ae 100644
--- a/book/README.md
+++ b/book/README.md
@@ -1,2 +1 @@
-# Introduction
-
+# Forward