Add basic role to enable pnpm

Signed-off-by: Noah Knegt <git@noahknegt.com>

roles/corepack/defaults/main.yml

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+---
+# defaults file for corepack

roles/corepack/handlers/main.yml

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+---
+# handlers file for corepack

roles/corepack/tasks/main.yml

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+---
+- name: Check node version
+  shell: node --version
+  register: node_version
+  ignore_errors: true
+
+- name: Enable corepack
+  shell: corepack enable
+  when: node_version is version('16.0.0', '<')
+
+- name: Verify corepack
+  shell: corepack --version
+  register: corepack_version
+  ignore_errors: true
+
+- name: Test pnpm
+  shell: pnpm --version
+  register: pnpm_version
+  ignore_errors: true

roles/corepack/tests/inventory

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+localhost
+

roles/corepack/tests/test.yml

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+---
+- hosts: localhost
+  remote_user: root
+  roles:
+    - corepack

roles/corepack/vars/main.yml

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+---
+# vars file for corepack