Add validation actions (#693)

* Add validation action

* Clean-up yaml

Removed trailing spaces

* Clean-up yaml

Removed trailing spaces

* Clean-up yaml

Removed trailing spaces

* Clean-up yaml

Removed trailing spaces

* Clean-up yaml

Removed trailing spaces

* Update validate_yaml.yml

* Validate on push

Only for nspanel_esphome.yaml and nspanel_blueprint.yaml

* Extending warnings for +255-char lines

* Update validate_yaml.yml

* Clean-up yaml

* Update validate_yaml.yml

* Clean-up yaml

* Clean-up yaml

* Clean-up yaml

* Clean-up yaml

* Clean-up yaml

* Update and rename validate_yaml.yml to validate_blueprint.yml

* Create validate_esphome.yml

* Clean-up yaml

.github/workflows/validate_blueprint.yml

@@ -0,0 +1,19 @@
+name: Validate Blueprint YAML
+
+on:
+  push:
+    paths:
+      - "nspanel_blueprint.yaml"
+  pull_request:
+  #schedule:
+  #  - cron: "0 0 * * *"
+  workflow_dispatch:
+
+jobs:
+  code_scan:
+    name: Validate Blueprint YAML
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: actions/checkout@v3
+      - name: Validate nspanel_blueprint.yaml
+        run: yamllint -c "./.yamllint/rules.yml" nspanel_blueprint.yaml

.github/workflows/validate_esphome.yml

@@ -0,0 +1,19 @@
+name: Validate ESPHome YAML
+
+on:
+  push:
+    paths:
+      - "nspanel_esphome.yaml"
+  pull_request:
+  #schedule:
+  #  - cron: "0 0 * * *"
+  workflow_dispatch:
+
+jobs:
+  code_scan:
+    name: Validate Blueprint YAML
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: actions/checkout@v3
+      - name: Validate nspanel_esphome.yaml
+        run: yamllint -c "./.yamllint/rules.yml" nspanel_esphome.yaml

.yamllint/rules.yml

@@ -0,0 +1,7 @@
+extends: relaxed
+
+rules:
+  # 255 chars should be enough, but don't fail if a line is longer
+  line-length:
+    max: 255
+    level: warning

custom_configuration/folder_watcher.yaml

@@ -1,4 +1,4 @@
-# Please insert into the default file "configuration.yaml  
+# Please insert into the default file "configuration.yaml"
 # Folder must be changed to the directory where the tft file (Nextion Editor) will be uploaded
 ###########
 #