refactor: prepare peertube installation

roles/yarn/tasks/main.yml

@@ -0,0 +1,25 @@
+---
+
+- name: Get yarn gpg url
+  ansible.builtin.get_url:
+    url: "{{ yarn_key_url }}"
+    dest: /tmp/yarn.gpg.key
+    mode: 0644
+    force: true
+
+- name: Dearmor gpg key
+  ansible.builtin.command:
+    cmd: "gpg --dearmor --yes -o {{ yarn_key_path }} /tmp/yarn.gpg.key"
+  changed_when: true
+
+- name: Set yarn source repo
+  ansible.builtin.copy:
+    content: "deb [signed-by={{ yarn_key_path }}] https://dl.yarnpkg.com/debian stable main"
+    dest: /etc/apt/sources.list.d/yarn.list
+    mode: 0644
+
+- name: Install yarn
+  ansible.builtin.apt:
+    name: yarn
+    state: present
+    update_cache: true

roles/yarn/vars/main.yml

@@ -0,0 +1,4 @@
+---
+
+yarn_key_url: "https://dl.yarnpkg.com/debian/pubkey.gpg"
+yarn_key_path: "/usr/share/keyrings/yarnkey.gpg"