feat: add support for raw reading of variables

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/cuddle-clusters/tests/with_cluster_vars/cuddle.yaml

@@ -3,10 +3,14 @@ vars:
 cuddle/clusters:
   dev:
     replicas: 1
+    list:
+      - listItem: listValue
     env:
+      vault: true
       something.something: something
       something:
-        # ignored
+        something: "something"
         vault: true
   prod:
     env:
+

crates/cuddle-clusters/tests/with_cluster_vars/expected/dev/some.yaml

@@ -3,3 +3,7 @@ namespace: dev
 replicas: 1
 items:
   - something.something
+listValue
+
+
+something: something

crates/cuddle-clusters/tests/with_cluster_vars/expected/prod/some.yaml

@@ -2,3 +2,4 @@ name: prod
 namespace: prod
 replicas: 3
 items:
+

crates/cuddle-clusters/tests/with_cluster_vars/templates/clusters/some.yaml.jinja2

@@ -6,3 +6,12 @@ items:
   - {{val}}
   {%- endfor %}
 
+{%- if vars.cluster_vars.raw.list -%} 
+{%- for val in vars.cluster_vars.raw.list %}
+{{ val.listItem }}
+{%- endfor -%}
+{%- endif %}
+
+{% if vars.cluster_vars.raw.env.something  %}
+something: {{ vars.cluster_vars.raw.env.something.something }}
+{% endif %}