feat: add shellcheck installer

roles/nvim/tasks/main.yml

@@ -25,6 +25,7 @@
     - install-ruby.yml
     - install-pyenv.yml
     - install-yamllint.yml
+    - install-shellcheck.yml
     - install-lua.yml
     - install-fzf.yml
     - install-java.yml

tasks/install-shellcheck.yml

@@ -0,0 +1,27 @@
+- name: Install Shellcheck for Arch
+  become: true
+  community.general.pacman:
+    name: shellcheck
+    state: present
+  when: ansible_facts.distribution == 'ArchLinux'
+
+- name: Install Shellcheck for MacOS
+  community.general.homebrew:
+    name: shellcheck
+    state: present
+  when: ansible_facts.distribution == 'MacOSX'
+
+- name: Install Shellcheck for Debian based systems
+  become: true
+  ansible.builtin.apt:
+    name: shellcheck
+    state: present
+  when: ansible_facts.os_family == 'Debian'
+
+
+- name: Install Shellcheck for RedHat based systems
+  become: true
+  ansible.builtin.dnf:
+    name: shellcheck
+    state: present
+  when: ansible_facts.os_family == 'RedHat'