Add new model files and update Ansible playbooks for Qwen3.5 and Qwen3.6

- Created model files for Qwen3.5 with different context lengths.
- Added a new Ansible host variable file for CI server configuration.
- Updated GPU server host variables to include Ollama models and model files.
- Enhanced playbooks for Podman to manage Ollama models, including copying model files and checking existing models.
- Introduced a new playbook for setting up Qwen3.6 with specific configurations.
- Updated Windows SSH tasks to improve security and configuration management.
- Added a Python utility to parse Ollama model names from command output.
- Modified Terraform configurations to include new DNS entries and proxy settings.
- Improved Nginx proxy configurations with timeout settings.

ansible/files/ollama/gemma4-e4b-32k.modelfile

@@ -0,0 +1,2 @@
+FROM gemma4:e4b
+PARAMETER num_ctx 32359