chore: add docs deploy script (#5682)

Co-authored-by: NMaksim Karatkevich <m.karatkevich@akveo.com>

.github/workflows/ACTION_TRIGGER_GUIDE.md

 ### Actions deploy guide
 
-In order to trigger `deploy-to-demo` action you should execute the following curl:
+In order to trigger workflow action you should execute the following curl:
 
 `curl -H "Accept: application/vnd.github.everest-preview+json" \`  
 `-H "Authorization: token <ACCESS_TOKEN>" \`  
 `--request POST \`  
-`--data '{"event_type": "deploy-to-demo"}' \`  
+`--data '{"event_type": "<ACTION>"}' \`  
 `https://api.github.com/repos/akveo/ngx-admin/dispatches`
 
-This curl expects `ACCESS_TOKEN` input parameter
-<br>`ACCESS_TOKEN`: A personal access token. Creating a [personal access token guide](https://help.github.com/en/github/authenticating-to-github/creating-a-personal-access-token-for-the-command-line)  
+This curl expects two input parameters:
+- `ACCESS_TOKEN`: A personal access token. Creating a [personal access token guide](https://help.github.com/en/github/authenticating-to-github/creating-a-personal-access-token-for-the-command-line)  
+- `ACTION`: action to trigger ('deploy-docs', 'deploy-to-demo')

.github/workflows/demoDeploy.yml

@@ -2,6 +2,11 @@
 name: Deploy to demo
 
 on:
+  push:
+    branches:
+      - 'demo'
+    paths:
+      - 'src/**'
   repository_dispatch:
     types: deploy-to-demo
 

.github/workflows/docsDeploy.yml

+
+name: Deploy docs
+
+on:
+  push:
+    branches:
+      - 'demo'
+    paths:
+      - 'docs/**'
+  repository_dispatch:
+    types: deploy-docs
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Use Node.js 12.x
+        uses: actions/setup-node@v1
+       - run: npm install
+       - run: npm run docs:gh-pages