Add apps role and update Neovim installation

- Add apps role to main playbook for application management
- Create comprehensive CLAUDE.md documentation
- Update Neovim installation on Debian/Ubuntu to use official PPA
- Add cross-platform package manager setup (Homebrew, AppMan)

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

roles/apps/tasks/package_managers.yml

@@ -0,0 +1,31 @@
+---
+- name: Install Homebrew on macOS
+  block:
+    - name: Check if Homebrew is installed
+      stat:
+        path: /usr/local/bin/brew
+      register: homebrew_check
+
+    - name: Install Homebrew
+      shell: /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
+      when: not homebrew_check.stat.exists
+      become: no
+  when: ansible_os_family == "Darwin"
+
+- name: Install AM (AppMan) on Linux
+  block:
+    - name: Check if AppMan is installed
+      stat:
+        path: "{{ ansible_env.HOME }}/.local/bin/appman"
+      register: appman_check
+
+    - name: Install AM as AppMan (local user only)
+      shell: |
+        cd {{ ansible_env.HOME }}
+        wget -q https://raw.githubusercontent.com/ivan-hc/AM/main/AM-INSTALLER
+        chmod a+x ./AM-INSTALLER
+        echo '2' | ./AM-INSTALLER
+        rm ./AM-INSTALLER
+      when: not appman_check.stat.exists
+      become: no
+  when: ansible_os_family == "Debian" or ansible_os_family == "RedHat" or ansible_os_family == "Archlinux"