feat: add comprehensive access logging to Graylog with GeoIP

- Add fluent-bit inputs for Caddy access logs (JSON) and SSH logs
- Create GeoIP task to download MaxMind GeoLite2-City database
- Mount GeoIP database in Graylog container
- Enable Gitea access logging via environment variables
- Add parsers.conf for Caddy JSON log parsing
- Remove unused nosql/redis container and configuration

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

ansible/roles/podman/tasks/containers/base/fluent-bit.yml

@@ -27,6 +27,25 @@
     name: fluent-bit
     state: present
 
+- name: create fluent-bit state directory for tail db files
+  become: true
+  ansible.builtin.file:
+    path: /var/lib/fluent-bit
+    state: directory
+    owner: root
+    group: root
+    mode: '0755'
+
+- name: deploy fluent-bit parsers configuration
+  become: true
+  ansible.builtin.template:
+    src: fluent-bit/parsers.conf.j2
+    dest: /etc/fluent-bit/parsers.conf
+    owner: root
+    group: root
+    mode: '0644'
+  notify: restart fluent-bit
+
 - name: deploy fluent-bit configuration
   become: true
   ansible.builtin.template: