fix(pulse):Broken links for Oceans 2020

.github/workflows/markdown.links.config.json

@@ -9,5 +9,6 @@
     ],
     "retryOn429": true,
     "retryCount": 5,
-    "fallbackRetryDelay": "30s"
+    "fallbackRetryDelay": "30s",
+    "timeout":"20s"
   }

_posts/2019-10-29-Subnero-at-iOcean-Sanya.md

@@ -15,7 +15,7 @@ This is Subnero's first exhibition in China, with their new business partner.
 
 We are confident that this is the beginning of a long and successful partnership in China.
 
-Both Subnero and Wuxi Smartsea Technology will be present at [Oceans 2020](https://singapore20.oceansconference.org/){:target="_blank"}, in Singapore.
+Both Subnero and Wuxi Smartsea Technology will be present at Oceans 2020, in Singapore.
 <div style="display: flex;flex-wrap: wrap;">
     <div style="flex:50%;max-width: 50%">
     <img src="{{site.baseurl}}/images/pulse-ioceans19-2.jpg" style="margin:5px">

_posts/2020-10-03-Subnero-at-IEEE-OES-AUV2020.md

@@ -7,7 +7,7 @@ categories: wnc news
 thumbnail: images/pulse-thumbnail-auv2020.jpg
 ---
 
-Subnero attended its first virtual exhibition during [IEEE OES AUV2020](https://auv2020.org/){:target="_blank"} symposium.
+Subnero attended its first virtual exhibition during IEEE OES AUV2020 symposium.
 
 The event took place online from the 29th of September to the 2nd of October 2020. 
 

_posts/2020-10-12-Global-Oceans-2020.md

@@ -10,7 +10,7 @@ thumbnail: images/pulse-thumbnail-oceans2020.jpg
 
 Due to the pandemic, the physical Oceans 2020 Singapore conference and exhibition have been postponed to 2024.
 
-To make sure that we don't miss the exciting new papers and stay up to date with the latest development, the IEEE OES decided to combine Oceans Singapore and US Gulf coast into a single virtual event: [Global Oceans 2020](https://global20.oceansconference.org/){:target="_blank"}.
+To make sure that we don't miss the exciting new papers and stay up to date with the latest development, the IEEE OES decided to combine Oceans Singapore and US Gulf coast into a single virtual event: Global Oceans 2020.
 
 The Subnero team was very pleased to deliver a tutorial about practical underwater software-defined network. The team talked about the fundamentals of underwater communications and networking, and many practical tools and techniques to solve common challenges. In the hands-on sessions, participants were able to try out the demos themselves using the freely available [UnetStack](https://unetstack.net/){:target="_blank"} networking stack and [simulator](https://unetstack.net/handbook/unet-handbook_part_vi_simulating_underwater_networks.html){:target="_blank"}.
 

_posts/2021-05-10-Diver-com-paper.md

@@ -16,6 +16,6 @@ The paper is the fruit of several months of work by the Subnero team, in collabo
 
 As the title indicates, the team used our software-defined underwater acoustic communication and localization technology to develop a diver communication and localization system to improve operational safety of underwater divers.
 
-The paper was presented virtually by [Dr. Prasad Anjangi](https://subnero.com/people/prasad/) during [Global Oceans 2020](https://global20.oceansconference.org/) back in October 2020.
+The paper was presented virtually by [Dr. Prasad Anjangi](https://subnero.com/people/prasad/) during Global Oceans 2020 back in October 2020.
 
 Download the full paper in the link above or [contact us](https://subnero.com/contact/) for more details.