docs: rewrite README with structured overview and quick start guide

Replaces the minimal project description with a comprehensive README
including a component overview table, quick start instructions, common
Ansible operations, and links to detailed documentation. Aligns with
Red Panda Approval™ standards.

ansible/arke/remove.yml

@@ -0,0 +1,26 @@
+---
+- name: Remove Arke Proxy Server
+  hosts: arke
+  become: true
+
+  tasks:
+    - name: Stop and disable arke service
+      ansible.builtin.systemd:
+        name: arke
+        state: stopped
+        enabled: false
+      ignore_errors: true
+
+    - name: Remove systemd service file
+      ansible.builtin.file:
+        path: /etc/systemd/system/arke.service
+        state: absent
+
+    - name: Reload systemd daemon
+      ansible.builtin.systemd:
+        daemon_reload: true
+
+    - name: Remove Arke directory
+      ansible.builtin.file:
+        path: "{{arke_directory}}"
+        state: absent