chore: Enhance documentation for E2E testing:

- Added clarity and structure to README files, including recent updates and getting started sections.
- Improved manual verification documentation for CrowdSec authentication, emphasizing expected outputs and success criteria.
- Updated debugging guide with detailed output examples and automatic trace capture information.
- Refined best practices for E2E tests, focusing on efficient polling, locator strategies, and state management.
- Documented triage report for DNS Provider feature tests, highlighting issues fixed and test results before and after improvements.
- Revised E2E test writing guide to include when to use specific helper functions and patterns for better test reliability.
- Enhanced troubleshooting documentation with clear resolutions for common issues, including timeout and token configuration problems.
- Updated tests README to provide quick links and best practices for writing robust tests.

docs/features/docker-integration.md

@@ -47,6 +47,7 @@ Docker auto-discovery eliminates manual IP address hunting and port memorization
 For Charon to discover containers, it needs Docker API access.
 
 **Docker Compose:**
+
 ```yaml
 services:
   charon:
@@ -56,6 +57,7 @@ services:
 ```
 
 **Docker Run:**
+
 ```bash
 docker run -v /var/run/docker.sock:/var/run/docker.sock:ro charon
 ```