refactor: update dotfiles paths and remove obsolete configurations

config/ansible/tasks/global/tailscale.yml

@@ -1,19 +1,13 @@
-- name: Ensure Tailscale is installed
-  ansible.builtin.package:
-    name: tailscale
-    state: present
-  become: true
-
 - name: Check if Tailscale is installed
-  ansible.builtin.command: tailscale
+  ansible.builtin.command: which tailscale
   register: tailscale_check
   changed_when: false
   failed_when: false
 
-- name: Install Tailscale
-  ansible.builtin.command: tailscale up
+- name: Install Tailscale using curl script
+  ansible.builtin.shell: curl -fsSL https://tailscale.com/install.sh | sh
   args:
-    creates: /var/lib/tailscale/tailscaled.state
+    creates: /usr/bin/tailscale
   when: tailscale_check.rc != 0
   become: true