Updating references from master to main

Author: ckenst

_posts/2017-12-11-2016-videos.md

@@ -23,6 +23,6 @@ We think it's such an *amazing community benefit* of events to record their pres
 
 For those who are counting that's video recordings from **10 different software testing events**. Hours of presentations to watch from the Association for Software Testing, Google, Let's Test Conferences, Nordic Testing Days PractiTest, the Selenium Foundation and TechWell.
 
-Are we missing any videos? If so let us know by adding them <a href="https://github.com/TestingConferences/testingconferences.github.io/blob/master/_data/past.yml" target="_blank">here!</a>
+Are we missing any videos? If so let us know by adding them <a href="https://github.com/TestingConferences/testingconferences.github.io/blob/main/_data/past.yml" target="_blank">here!</a>
 
 Don't forget to **[sign up](http://eepurl.com/c4paYT)** for our once **monthly newsletter.**

_posts/2017-12-12-2017-videos.md

@@ -36,6 +36,6 @@ Special mention goes to TestBash who for all of 2017 recorded event videos. If y
 - Compared to the 10 or more events recorded in 2016, 2017 wasn't as good for free videos. CAST didn't record anything, Let's Test hasn't posted anything and there was no GTAC.
 - Check out <a href="/news/2017/12/11/2016-videos.html" target="_blank">2016's list of Event Videos here</a>.
 
-Are we missing any videos? If so let us know by adding them **<a href="https://github.com/TestingConferences/testingconferences.github.io/blob/master/_data/past.yml" target="_blank">here!</a>**
+Are we missing any videos? If so let us know by adding them **<a href="https://github.com/TestingConferences/testingconferences.github.io/blob/main/_data/past.yml" target="_blank">here!</a>**
 
 Don't forget to **[sign up](http://eepurl.com/c4paYT)** for our once **monthly newsletter.**

_posts/2018-04-15-license.md

@@ -13,6 +13,6 @@ As of today TestingConferences.org is licensed under the MIT license. After havi
 
 The MIT license is "A short and simple permissive license with conditions only requiring preservation of copyright and license notices. Licensed works, modifications, and larger works may be distributed under different terms and without source code."
 
-You can read the license [here](https://github.com/TestingConferences/testingconferences.github.io/blob/master/MIT-LICENSE).
+You can read the license [here](https://github.com/TestingConferences/testingconferences.github.io/blob/main/MIT-LICENSE).
 
 Don't forget to **[sign up](http://eepurl.com/c4paYT)** for our once **monthly newsletter.**

_posts/2020-03-12-cancelled-conferences.md

@@ -69,4 +69,4 @@ Conferences all over the world are being canceled or postponed as companies and
 **Last Updated**: 5/27/2020
 
 
-Want to help? Consider [helping to keep this list updated.](https://github.com/TestingConferences/testingconferences.github.io/blob/master/_posts/2020-03-12-cancelled-conferences.md)
+Want to help? Consider [helping to keep this list updated.](https://github.com/TestingConferences/testingconferences.github.io/blob/main/_posts/2020-03-12-cancelled-conferences.md)

_posts/2020-09-24-2019-videos.md

@@ -33,6 +33,6 @@ We think there's an *amazing community benefit* when events record their present
 - Check out <a href="/news/2017/12/12/2017-videos.html" target="_blank">2017's list of Event Videos here</a>.
 - Check out <a href="/news/2017/12/11/2016-videos.html" target="_blank">2016's list of Event Videos here</a>.
 
-Are we missing any videos? If so let us know by adding them **<a href="https://github.com/TestingConferences/testingconferences.github.io/blob/master/_data/past.yml" target="_blank">here!</a>**
+Are we missing any videos? If so let us know by adding them **<a href="https://github.com/TestingConferences/testingconferences.github.io/blob/main/_data/past.yml" target="_blank">here!</a>**
 
 Don't forget to **[sign up](http://eepurl.com/c4paYT)** for our once **monthly newsletter.**

_posts/2021-07-29-2018-videos.md

@@ -32,6 +32,6 @@ As a way to highlight those conferences, promote this idea and say **Thank You**
 - Check out <a href="/news/2017/12/12/2017-videos.html" target="_blank">2017's list of Event Videos here</a>.
 - Check out <a href="/news/2017/12/11/2016-videos.html" target="_blank">2016's list of Event Videos here</a>.
 
-Are we missing any videos? If so let us know by adding them **<a href="https://github.com/TestingConferences/testingconferences.github.io/blob/master/_data/past.yml" target="_blank">here!</a>**
+Are we missing any videos? If so let us know by adding them **<a href="https://github.com/TestingConferences/testingconferences.github.io/blob/main/_data/past.yml" target="_blank">here!</a>**
 
 Don't forget to **[sign up](http://eepurl.com/c4paYT)** for our once **monthly newsletter.**

_posts/2021-08-10-2020-videos.md

@@ -40,6 +40,6 @@ As a way to highlight those conferences, promote this idea and say **Thank You**
 - Check out <a href="/news/2017/12/12/2017-videos.html" target="_blank">2017's list of Event Videos here</a>.
 - Check out <a href="/news/2017/12/11/2016-videos.html" target="_blank">2016's list of Event Videos here</a>.
 
-Are we missing any videos? If so let us know by adding them **<a href="https://github.com/TestingConferences/testingconferences.github.io/blob/master/_data/past.yml" target="_blank">here!</a>**
+Are we missing any videos? If so let us know by adding them **<a href="https://github.com/TestingConferences/testingconferences.github.io/blob/main/_data/past.yml" target="_blank">here!</a>**
 
 Don't forget to **[sign up](http://eepurl.com/c4paYT)** for our once **monthly newsletter.**