feat: add graphical user interface (#34)

anvil/ansible/roles/debug_forge_vars/README.md

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+# Role - debug_forge_vars
+
+This role is used for debugging purposes only.
+
+## Variables
+
+The role has the following variables defined.
+
+### default/main.yml
+
+In the [main.yml](./defaults/main.yml/) all variables are defined which are
+used in the context of debugging. Usually end-users should not worry about them to much.
+
+<!-- markdownlint-disable MD013 -->
+
+| name                            | type | default value | description                                                                                 |
+| ------------------------------- | ---- | ------------- | ------------------------------------------------------------------------------------------- |
+| `forge_debug_vars_regex_search` | str  | ^forge\_.+    | Python regex search term. Useful if you want to print out all variables starting with `xyz` |
+
+<!-- markdownlint-enable MD013 -->
+
+## Example Playbook Usage
+
+This role is best included in a playbook as pre-task:
+
+```yaml
+pre_tasks:
+  - name: DEBUG - forge variables
+    ansible.builtin.include_role:
+      name: debug_forge_vars
+```
+
+With the role included you can launch the playbook in verbose mode `ansible-playbook -v`.
+This will print all variables found with the regex search term defined in the `forge_debug_vars_regex_search`
+variable.
+
+You can modify the `forge_debug_vars_regex_search` term by changing it via the vars statement
+
+```yaml
+pre_tasks:
+  - name: DEBUG - forge git variables
+    ansible.builtin.include_role:
+      name: debug_forge_vars
+    vars:
+      forge_debug_vars_regex_search: ^forge_git.+
+```