config: add prefer-template to eslint and tslint

.eslintrc.json

@@ -12,7 +12,8 @@
   "rules": {
     "no-shadow": "warn",
     "no-magic-numbers": ["warn", { "ignore": [0, 1, -1] }],
-    "no-param-reassign": "warn"
+    "no-param-reassign": "warn",
+    "prefer-template": "warn"
   },
   "overrides": [
     {

tslint.json

@@ -24,7 +24,8 @@
     "no-magic-numbers": [true, -1, 0, 1],
     "no-parameter-reassignment": true,
     "arrow-return-shorthand": true,
-    "no-default-export": true
+    "no-default-export": true,
+    "prefer-template": true
   },
   "jsRules": true
 }