docs(site): add GitHub Pages config and update index.md

- Added _config.yml with Just the Docs theme and site metadata
- Updated index.md homepage: clarified links, removed redundancy, improved "More Docs" section

Author: barissayli

docs/_config.yml

@@ -0,0 +1,15 @@
+title: Spring Boot OpenAPI Generics Clients
+description: Type-safe OpenAPI clients with generics (Spring Boot + OpenAPI Generator)
+
+remote_theme: just-the-docs/just-the-docs
+
+plugins:
+  - jekyll-remote-theme
+
+aux_links:
+  "View on GitHub":
+    - "https://github.com/bsayli/spring-boot-openapi-generics-clients"
+
+search_enabled: true
+
+baseurl: "/spring-boot-openapi-generics-clients"

docs/adoption/client-side-adoption.md

@@ -1,3 +1,10 @@
+---
+layout: default
+title: Client-Side Adoption
+parent: Adoption Guides
+nav_order: 2
+---
+
 # Client-Side Integration Guide
 
 This document describes how to integrate the **generics-aware OpenAPI client** into your own microservice project, based

docs/adoption/server-side-adoption.md

@@ -1,3 +1,10 @@
+---
+layout: default
+title: Server-Side Adoption
+parent: Adoption Guides
+nav_order: 1
+---
+
 # Adopt the server‑side pieces in your own Spring Boot service (MVC + Springdoc)
 
 **Purpose:** Copy the minimal set of classes/config from `customer-service` into your own microservice so that:

docs/index.md

@@ -1,3 +1,9 @@
+---
+layout: default
+title: Home
+nav_order: 1
+---
+
 # Spring Boot OpenAPI Generics Clients
 
 Welcome! 👋
@@ -31,4 +37,4 @@ Generated wrappers can be found under:
 
 ## 📖 More Docs
 
-See the full [README on GitHub](https://github.com/bsayli/spring-boot-openapi-generics-clients#readme).
+See the full [README on GitHub](https://github.com/bsayli/spring-boot-openapi-generics-clients#readme).