feat: add ability to provision outposts using blueprints

roles/authentik/templates/blueprints/outpost-proxy.yaml.j2

@@ -0,0 +1,27 @@
+# yaml-language-server: $schema=https://goauthentik.io/blueprints/schema.json
+version: 1
+metadata:
+  name: "outpost-{{ item.name }}"
+  labels:
+    blueprints.goauthentik.io/instantiate: "true"
+
+entries:
+  - model: authentik_outposts.outpost
+    identifiers:
+      name: "{{ item.name }}"
+    attrs:
+      name: "{{ item.name }}"
+      type: {{ item.type | default('proxy') }}
+      service_connection: {{ item.service_connection | default('null') }}
+
+      providers:
+{% for p in item.providers %}
+        - !Find [authentik_providers_proxy.proxyprovider, [name, {{ p }}]]
+{% endfor %}
+
+{% if item.config is defined %}
+      config:
+{%   for k, v in item.config.items() %}
+        {{ k }}: {{ v | tojson }}
+{%   endfor %}
+{% endif %}