Introduce ember-template-lint per latest addon blueprint

Author: SergeAstapov

.template-lintrc.js

@@ -0,0 +1,5 @@
+'use strict';
+
+module.exports = {
+  extends: 'recommended',
+};

package.json

@@ -16,6 +16,8 @@
     "build": "ember build",
     "lint": "npm-run-all --aggregate-output --continue-on-error --parallel \"lint:!(fix)\"",
     "lint:fix": "npm-run-all --aggregate-output --continue-on-error --parallel lint:*:fix",
+    "lint:hbs": "ember-template-lint .",
+    "lint:hbs:fix": "ember-template-lint . --fix",
     "lint:js": "eslint . --cache",
     "lint:js:fix": "eslint . --fix",
     "start": "ember server",
@@ -46,6 +48,7 @@
     "ember-qunit": "^5.1.5",
     "ember-resolver": "^5.1.3",
     "ember-source": "~3.12.0",
+    "ember-template-lint": "^4.10.0",
     "ember-try": "^2.0.0",
     "eslint": "^8.13.0",
     "eslint-config-prettier": "^8.4.0",