Add managed Lab 3 browser terminal deployment

ansible/roles/wiki/tasks/main.yml

@@ -36,6 +36,12 @@
   environment:
     PATH: "{{ courseware_node_runtime_bin_dir }}:{{ ansible_env.PATH }}"
 
+- name: Render wiki runtime config
+  template:
+    src: courseware-runtime.json.j2
+    dest: "{{ courseware_wiki_runtime_config_path }}"
+    mode: "0644"
+
 - name: Stat wiki build output
   stat:
     path: "{{ courseware_wiki_repo_dir }}/.next/BUILD_ID"

ansible/roles/wiki/templates/courseware-runtime.json.j2

@@ -0,0 +1,5 @@
+{
+  "lab3TerminalUrl": "http://{{ courseware_url_host }}:{{ courseware_ports.wetty }}{{ courseware_wetty_base_path }}",
+  "lab3Username": "{{ courseware_student_username }}",
+  "lab3WorkingDirectory": "{{ courseware_lab3_dir }}"
+}