add backtrace

README.md

@@ -49,6 +49,7 @@
 * Azavea https://www.azavea.com/blog/category/software-development/
 
 #### B companies
+* Backtrace https://backtrace.io/blog/
 * Badoo https://techblog.badoo.com/
 * Baidu Research http://research.baidu.com/category/baidutechblog/baidu-research-technology/
 * Bandcamp https://bandcamptech.wordpress.com/

engineering_blogs.opml

@@ -26,6 +26,7 @@
       <outline type="rss" text="Autodesk" title="Autodesk" xmlUrl="http://cloudengineering.autodesk.com/blog/atom.xml" htmlUrl="http://cloudengineering.autodesk.com/blog/"/>
       <outline type="rss" text="AWS" title="AWS" xmlUrl="https://aws.amazon.com/blogs/aws/feed/" htmlUrl="https://aws.amazon.com/blogs/aws/"/>
       <outline type="rss" text="Azavea" title="Azavea" xmlUrl="https://www.azavea.com/feed/" htmlUrl="https://www.azavea.com/blog/category/software-development/"/>
+      <outline type="rss" text="Backtrace" title="Backtrace" xmlUrl="https://backtrace.io/blog/atom.xml" htmlUrl="https://backtrace.io/blog/"/>
       <outline type="rss" text="Badoo" title="Badoo" xmlUrl="https://techblog.badoo.com/feed.xml" htmlUrl="https://techblog.badoo.com/"/>
       <outline type="rss" text="Baidu Research" title="Baidu Research" xmlUrl="http://research.baidu.com/feed/" htmlUrl="http://research.baidu.com/category/baidutechblog/baidu-research-technology/"/>
       <outline type="rss" text="Bandcamp" title="Bandcamp" xmlUrl="https://bandcamptech.wordpress.com/feed/" htmlUrl="https://bandcamptech.wordpress.com/"/>