Add Ansible task to fetch nitro node config file (#8)

Part of [Automate testnet nitro deployments using Ansible](https://www.notion.so/Automate-testnet-nitro-deployments-using-Ansible-0d15579430204b8daba9a8aa31e07568)
- Added ansible tasks to:
  - Install yq
  - Download nitro node config file
- Modified playbooks to handle prompts when cloning repositories

Co-authored-by: Adw8 <adwaitgharpure@gmail.com>
Reviewed-on: #8

nitro-nodes-setup/run-nitro-nodes.yml

@@ -9,6 +9,13 @@
     PATH: "{{ ansible_env.PATH }}:/home/{{ansible_user}}/bin"
 
   tasks:
+    - name: Install yq
+      get_url:
+        url: https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64
+        dest: /usr/bin/yq
+        mode: '0755'
+      become: yes
+
     - name: Create directory for nitro-stack
       file:
         path: "{{ nitro_directory }}"
@@ -23,15 +30,23 @@
         recurse: yes
 
     - name: Clone go-nitro stack repo
-      command: laconic-so fetch-stack git.vdb.to/cerc-io/nitro-stack --git-ssh --pull
+      expect:
+        command: laconic-so fetch-stack git.vdb.to/cerc-io/nitro-stack --git-ssh --pull
+        responses:
+          "Are you sure you want to continue connecting \\(yes/no/\\[fingerprint\\]\\)\\?": "yes"
+      timeout: 300
       ignore_errors: yes
 
     - name: Clone repositories required for nitro-stack
-      command: laconic-so --stack ~/cerc/nitro-stack/stack-orchestrator/stacks/nitro-node setup-repositories --git-ssh --pull
+      expect:
+        command: laconic-so --stack {{ ansible_env.HOME }}/cerc/nitro-stack/stack-orchestrator/stacks/nitro-node setup-repositories --git-ssh --pull
+        responses:
+          "Are you sure you want to continue connecting \\(yes/no/\\[fingerprint\\]\\)\\?": "yes"
+      timeout: 300
       ignore_errors: yes
 
     - name: Build containers
-      command: laconic-so --stack ~/cerc/nitro-stack/stack-orchestrator/stacks/nitro-node build-containers --force-rebuild
+      command: laconic-so --stack {{ ansible_env.HOME }}/cerc/nitro-stack/stack-orchestrator/stacks/nitro-node build-containers --force-rebuild
       when: not skip_container_build
 
     - name: Generate spec file for L1 nitro node
@@ -103,3 +118,8 @@
       command: laconic-so deployment --dir l2-nitro-deployment start
       args:
         chdir: "{{ nitro_directory }}"
+
+    - name: Fetch the nitro-node-config file
+      get_url:
+        url: https://git.vdb.to/cerc-io/testnet-laconicd-stack/raw/branch/main/ops/stage2/nitro-node-config.yml
+        dest: "{{ nitro_directory }}"