Add infra setup: Terraform for DO droplet + Cloudflare DNS, Ansible roles for Gitea, Vaultwarden, and Gitea runner

infra/ansible/roles/vaultwarden/handlers/main.yml

@@ -0,0 +1,11 @@
+---
+- name: Restart vaultwarden
+  community.docker.docker_compose_v2:
+    project_src: "{{ vaultwarden_data_dir }}"
+    state: present
+    recreate: always
+
+- name: Reload nginx
+  systemd:
+    name: nginx
+    state: reloaded