ci: add ansible and CICD deployment

deploy/ansible/tasks/install_project.yml

@@ -0,0 +1,20 @@
+---
+# Expands one project entry into `count` runner instances.
+- name: "Read registration token for {{ project_spec.project }} from env var"
+  ansible.builtin.set_fact:
+    project_token: "{{ lookup('ansible.builtin.env', project_spec.token_env) }}"
+
+- name: "Warn and skip {{ project_spec.project }} — token missing"
+  ansible.builtin.debug:
+    msg: >-
+      Skipping {{ project_spec.project }}: env var {{ project_spec.token_env }} is empty/unset.
+      Export a fresh registration token (Gitea repo → Settings → Actions → Runners → Create new runner token).
+  when: project_token | length == 0
+
+- name: "Install {{ project_spec.count }} runner(s) for {{ project_spec.project }}"
+  ansible.builtin.include_tasks: install_one_runner.yml
+  loop: "{{ range(1, project_spec.count | int + 1) | list }}"
+  loop_control:
+    loop_var: idx
+    label: "{{ project_spec.project }}-{{ idx }}"
+  when: project_token | length > 0