feat(nvim): add stylua and starship prompt

Fixes: GH-29

roles/starship-prompt/tasks/main.yaml

@@ -0,0 +1,14 @@
+---
+- name: Install
+  community.general.cargo:
+    name:
+      - starship
+    path: /usr/local
+    state: latest
+  become: true
+
+- name: Config
+  ansible.builtin.file:
+    src: "{{ role_path }}/files/starship.toml"
+    dest: "{{ ansible_user_dir }}/.config/starship.toml"
+    state: link