adding video about merging the PR, fixing general spacing

Author: mariana-caldas

README.md

@@ -21,10 +21,11 @@ This is a video that explains a little bit how to start collaborating with the p
 
 These are the videos that explain in detail how to branch out and submit a PR:
 
-[Branching out from an up to date master](https://www.loom.com/share/77c3bea45d86428a86c897ac3ccaacc4)
-[Creating the PR with the first commit](https://www.loom.com/share/04e326b873db4af7a4ce86c74183d554)
-[Fixing the PR title](https://www.loom.com/share/58feae54c4d04a2e908d5fe41dc262e9)
-[Adding the description and selecting the reviewers](https://www.loom.com/share/bf775cb7503c42129ab5f7715b094c53)
+- [Branching out from an up to date master](https://www.loom.com/share/77c3bea45d86428a86c897ac3ccaacc4)
+- [Creating the PR with the first commit](https://www.loom.com/share/04e326b873db4af7a4ce86c74183d554)
+- [Fixing the PR title](https://www.loom.com/share/58feae54c4d04a2e908d5fe41dc262e9)
+- [Adding the description and selecting the reviewers](https://www.loom.com/share/bf775cb7503c42129ab5f7715b094c53)
+- [Merging the PR](https://www.loom.com/share/de0eaa9cdcd34d8bac491cd8955f4883)
 
 <br />
 
@@ -38,15 +39,21 @@ These are the videos that explain in detail how to branch out and submit a PR:
   - [GitHub Tutorial 2020 - Beginner's Training Guide](https://www.youtube.com/watch?v=iv8rSLsi1xo)
   - [GitHub Markdown](https://guides.github.com/features/mastering-markdown/)
 
+  <br />
+
 - **HTML/CSS**
 
   - [freeCodeCamp - Get the 300 h "Responsive Web Design Certification"](https://www.freecodecamp.org/learn/)
   - [Full Stack Web Development Tutorial Course](https://www.youtube.com/playlist?list=PLwoh6bBAszPrES-EOajos_E9gvRbL27wz&fbclid=IwAR36b5agLn2QJ_JYiOs3fTm54cB2FPdrInhe4QvDoJCVRq6oCoDOFGYKpPA)
 
+  <br />
+
 - **PHP**
 
   - [PHP Tutorial](https://www.w3schools.com/php/DEFAULT.asp)
 
+  <br />
+
 - **WordPress**
   _ [How to Make a Custom Website from Scratch using WordPress (Theme Development) by freeCodeCamp ](https://youtu.be/KibbYf9avko)
   _ [Professional WordPress Theme & Plugin Development](https://www.udemy.com/course/photoshop-psd-to-wordpress-theme-development-from-scratch/) \* [WordPress Plugin Development](https://youtu.be/mm9aQiLEa10)