docs: reorder and refine README installation sections

Author: apiad

README.md

@@ -34,17 +34,7 @@ This interactive script will:
 
 Once Gemini CLI is open, run `/scaffold` to begin, or `/onboard` to get an overview of the repository.
 
----
-
-## 🏗️ Alternative Installation
-
-If you prefer a manual setup:
-
-1. Clone the repo or [create a new project directly](https://github.com/apiad/starter/generate).
-2. Delete `README.md`, `CHANGELOG.md`, and `journal/*.md` to get a fresh history.
-3. Run `gemini /scaffold` to start a new project.
-
-## 📥 Integration (Existing Projects)
+### 📥 Integration (Existing Projects)
 
 To add this framework to an existing Git repository, run:
 
@@ -58,6 +48,16 @@ This script will:
 3.  **Extract** the `.gemini/` configuration and framework files.
 4.  **Create** a first integration commit.
 
+### 🏗️ Alternative Installation
+
+If you prefer a manual setup:
+
+1. Clone the repo or [create a new project directly](https://github.com/apiad/starter/generate).
+2. Delete `README.md`, `CHANGELOG.md`, and `journal/*.md` to get a fresh history.
+3. Run `gemini /scaffold` to start a new project.
+
+---
+
 ## 🧠 The Core Philosophy
 
 This repository is a heavily customized and oppinionanted Gemini CLI agent, ready to be used in any situation. In this framework, the AI agent is not just a "code generator" or a "copilot". It is a **Senior Architect and Critical Thinking Partner**: