chore: disable workflows replaced by optimized configurations

- Commented out `push` triggers in `ci.yml`, `deploy-all.yml`, and `deploy-dev-legacy.yml` workflows.
- Added notes referencing the new workflows (`nx-optimized-ci.yml`, `nx-smart-deploy.yml`, `deploy-dev.yml`).

Author: jonphipps

.github/workflows/ci.yml

@@ -1,9 +1,10 @@
 name: CI
 
 on:
-  push:
-    branches:
-      - main
+  # Disabled - superseded by nx-optimized-ci.yml
+  # push:
+  #   branches:
+  #     - main
   pull_request:
 
 permissions:

.github/workflows/deploy-all.yml

@@ -1,9 +1,10 @@
 name: Deploy All Sites
 
 on:
-  push:
-    branches:
-      - main
+  # Disabled - superseded by nx-smart-deploy.yml
+  # push:
+  #   branches:
+  #     - main
   workflow_dispatch:
     inputs:
       force_build_all:

.github/workflows/deploy-dev-legacy.yml

@@ -1,9 +1,10 @@
 name: Deploy Dev Environment
 
 on:
-  push:
-    branches:
-      - dev
+  # Disabled - legacy workflow superseded by deploy-dev.yml
+  # push:
+  #   branches:
+  #     - dev
   workflow_dispatch:
     inputs:
       force_build_all: