feat(skills): add IoT edge skills and align agent/instruction docs (#1431)

* feat(skills): add IoT edge skills and align agent/instruction docs

* fix(ci): handle fork permission errors in plugin structure check

* fix(ci): allow intentional Spanish vocabulary in codespell

* docs(skills): translate IoT edge skill content to English

* fix(ci): pass codespell and README validation

* chore: regenerate skills index after merge

skills/python-azure-iot-edge-modules/references/python-edge-module-template.md

@@ -0,0 +1,63 @@
+# Python IoT Edge Module Template
+
+Use this template to structure implementation proposals and reviews.
+
+## 0) Official Python Baseline
+
+- Official references reviewed from <https://www.python.org/> and <https://docs.python.org/3/>.
+- Language and stdlib usage validated against <https://docs.python.org/3/reference/> and <https://docs.python.org/3/library/>.
+- Best practices reviewed from `references/python-official-best-practices.md`.
+
+## 1) Module Summary
+
+- Module name:
+- Business capability:
+- Inputs:
+- Outputs:
+- Trigger conditions:
+
+## 2) Message Contract
+
+- Schema version:
+- Required fields:
+- Optional fields:
+- Error payload contract:
+
+## 3) Runtime Configuration
+
+- Python version:
+- Base image:
+- Environment variables:
+- Desired properties:
+- Resource limits:
+
+## 4) Resilience
+
+- Retry policy:
+- Backoff policy:
+- Queueing strategy:
+- Idempotency approach:
+- Timeout and circuit-breaker behavior:
+
+## 5) Security
+
+- Secret source (never inline):
+- Identity and permissions:
+- Command authorization model:
+- Audit log requirements:
+
+## 6) Observability
+
+- Health signals:
+- Business metrics:
+- Error metrics:
+- Correlation/trace requirements:
+- Alert thresholds:
+
+## 7) Validation Matrix
+
+- Happy path tests:
+- Malformed payload tests:
+- Network interruption tests:
+- Throughput and latency tests:
+- Rollback validation: