feat(deployment): update Semaphore stack and Traefik configuration

- Add QUICKSTART.md and SETUP_REPOSITORY.md for Semaphore stack
- Add playbooks directory for Semaphore deployment
- Update Semaphore docker-compose.yml, env.example, and README
- Add Traefik local configuration files
- Disable semaphore.yml in Traefik dynamic config
- Update docker-compose.local.yml and build-image workflow

deployment/stacks/semaphore/playbooks/ci-tests.yml

@@ -0,0 +1,103 @@
+---
+# CI Tests Playbook f?r Semaphore
+# F?hrt PHP Tests und Quality Checks aus
+
+- name: Run CI Tests and Quality Checks
+  hosts: localhost
+  gather_facts: no
+  vars:
+    repo_url: "{{ repo_url | default('https://git.michaelschiemer.de/michael/michaelschiemer.git') }}"
+    repo_branch: "{{ repo_branch | default('main') }}"
+    build_dir: "/tmp/ci-build"
+    
+  tasks:
+    - name: Clean up build directory
+      file:
+        path: "{{ build_dir }}"
+        state: absent
+
+    - name: Checkout repository
+      git:
+        repo: "{{ repo_url }}"
+        dest: "{{ build_dir }}"
+        version: "{{ repo_branch }}"
+        force: yes
+      register: git_result
+
+    - name: Display checked out commit
+      debug:
+        msg: "Checked out commit: {{ git_result.after }}"
+
+    - name: Install Composer if not present
+      get_url:
+        url: https://getcomposer.org/installer
+        dest: /tmp/composer-installer.php
+        mode: '0755'
+      when: ansible_facts.os_family == "Debian"
+
+    - name: Install Composer (Debian)
+      shell: php /tmp/composer-installer.php && mv composer.phar /usr/local/bin/composer
+      when: ansible_facts.os_family == "Debian"
+      args:
+        creates: /usr/local/bin/composer
+
+    - name: Install PHP dependencies
+      command: composer install --no-interaction --prefer-dist --optimize-autoloader --ignore-platform-req=php
+      args:
+        chdir: "{{ build_dir }}"
+      register: composer_result
+
+    - name: Display composer output
+      debug:
+        var: composer_result.stdout_lines
+      when: composer_result.stdout_lines is defined
+
+    - name: Run PHP tests
+      command: ./vendor/bin/pest
+      args:
+        chdir: "{{ build_dir }}"
+      register: test_result
+      ignore_errors: yes
+
+    - name: Display test results
+      debug:
+        msg: "{{ test_result.stdout_lines }}"
+      when: test_result.stdout_lines is defined
+
+    - name: Run PHPStan
+      command: composer phpstan
+      args:
+        chdir: "{{ build_dir }}"
+      register: phpstan_result
+      ignore_errors: yes
+      when: test_result.rc == 0
+
+    - name: Display PHPStan results
+      debug:
+        msg: "{{ phpstan_result.stdout_lines }}"
+      when: phpstan_result.stdout_lines is defined and phpstan_result.rc == 0
+
+    - name: Run code style check
+      command: composer cs
+      args:
+        chdir: "{{ build_dir }}"
+      register: cs_result
+      ignore_errors: yes
+      when: test_result.rc == 0
+
+    - name: Display code style results
+      debug:
+        msg: "{{ cs_result.stdout_lines }}"
+      when: cs_result.stdout_lines is defined
+
+    - name: Fail if tests failed
+      fail:
+        msg: "Tests failed! Check output above."
+      when: test_result.rc != 0
+
+    - name: Summary
+      debug:
+        msg:
+          - "? CI Tests completed successfully!"
+          - "Commit: {{ git_result.after }}"
+          - "Branch: {{ repo_branch }}"