Add comprehensive documentation for flakestorm

- Introduced multiple new documents including API Specification, Configuration Guide, Contributing Guide, Developer FAQ, Implementation Checklist, Module Documentation, Publishing Guide, Test Scenarios, Testing Guide, and Usage Guide.
- Each document provides detailed instructions, examples, and best practices for using and contributing to flakestorm.
- Enhanced overall project documentation to support users and developers in understanding and utilizing the framework effectively.

docs/CONFIGURATION_GUIDE.md

@@ -451,17 +451,17 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      
+
       - name: Setup Ollama
         run: |
           curl -fsSL https://ollama.ai/install.sh | sh
           ollama serve &
           sleep 5
           ollama pull qwen3:8b
-      
+
       - name: Install flakestorm
         run: pip install flakestorm
-      
+
       - name: Run Tests
         run: flakestorm run --min-score 0.9 --ci
 ```
@@ -494,4 +494,3 @@ Verify your configuration:
 ```bash
 flakestorm verify --config flakestorm.yaml
 ```
-