Publish current ComfyUI O1Key code baseline

Replace the prior release tree with the current plugin, frontend, tests, and documentation. Document retired node IDs and the public Gitea update source.

docs/decisions/0000-template.md

@@ -0,0 +1,25 @@
+# NNNN: Decision title
+
+- Status: Proposed
+- Date: YYYY-MM-DD
+- Owners: Maintainers
+
+## Context
+
+What problem, constraint, or compatibility risk requires a durable decision?
+
+## Decision
+
+What will the project do?
+
+## Consequences
+
+What becomes easier, harder, required, or intentionally unsupported?
+
+## Alternatives considered
+
+Which realistic alternatives were rejected, and why?
+
+## Validation
+
+Which tests, measurements, or operational checks prove the decision works?