Merge branch 'master' into _dev

Author: yushulx

.travis.yml

@@ -0,0 +1,11 @@
+language: node_js
+node_js:
+  - "12.13"
+
+deploy:
+  provider: npm
+  email: $EMAIL
+  api_key: $API_KEY
+  on:
+    tags: true
+    branch: master

README.md

@@ -33,7 +33,7 @@ cdn
 [Download zip](https://www.dynamsoft.com/barcode-reader/downloads/?utm_source=github&package=js)
 
 ## License Key
-Please visit https://www.dynamsoft.com/customer/license/trialLicense/?product=dbr&utm_source=github&package=js to get a valid license and update `PRODUCT-KEYS`:
+Please visit [https://www.dynamsoft.com/customer/license/trialLicense](https://www.dynamsoft.com/customer/license/trialLicense/?product=dbr&utm_source=github&package=js) to get a valid license and update `PRODUCT-KEYS`:
 
 ```html
 <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/dbr.js" data-productKeys="PRODUCT-KEYS"></script>