roles(system/podman): create podman configuration

Signed-off-by: Matej Focko <me@mfocko.xyz>

roles/system/podman/tasks/install.yml

@@ -0,0 +1,9 @@
+---
+- name: Install Podman and dependencies
+  ansible.builtin.package:
+    name:
+      - podman
+      - crun
+      - podman-compose
+      - distrobox
+    state: present

roles/system/podman/tasks/main.yml

@@ -0,0 +1,19 @@
+---
+- name: Packages
+  ansible.builtin.include_tasks: install.yml
+  tags: install
+
+# UIDs/GIDs for rootless containers
+- name: Set multiple gids for target user
+  ansible.builtin.lineinfile:
+    path: "/etc/subgid"
+    regexp: "^{{ target_user }}:"
+    line: "{{ target_user }}:100000:65536"
+  tags: podman/rootless
+
+- name: Set multiple uids for target user
+  ansible.builtin.lineinfile:
+    path: "/etc/subuid"
+    regexp: "^{{ target_user }}:"
+    line: "{{ target_user }}:100000:65536"
+  tags: podman/rootless