docs: update links on resources

Author: woile

docs/external_links.md

@@ -1,14 +1,16 @@
+> If you have written over commitizen, make a PR and add the link here 💪
+
 ## Talks
 
-- commitizen-tools: What can we gain from crafting a git message convention
-  - Speaker: Wei Lee
-  - Occasion: Taipey.py 2020 June Meetup, Remote Python Pizza 2020
-  - Material
-    - [slides](https://speakerdeck.com/leew/commitizen-tools-what-can-we-gain-from-crafting-a-git-message-convention-at-taipey-dot-py)
+| Name                                                                      | Speaker         | Occasion                                             | Language | Extra                                                                                                                            |
+| ------------------------------------------------------------------------- | --------------- | ---------------------------------------------------- | -------- | -------------------------------------------------------------------------------------------------------------------------------- |
+| commitizen-tools: What can we gain from crafting a git message convention | Wei Lee         | Taipey.py 2020 June Meetup, Remote Python Pizza 2020 | English  | [slides](https://speakerdeck.com/leew/commitizen-tools-what-can-we-gain-from-crafting-a-git-message-convention-at-taipey-dot-py) |
+| Automating release cycles                                                 | Santiago Fraire | PyAmsterdam June 24, 2020, Online                    | English  | [slides](https://woile.github.io/commitizen-presentation/)                                                                       |
+| [Automatizando Releases con Commitizen y Github Actions][automatizando]   | Santiago Fraire | PyConAr 2020, Remote                                 | Español  | [slides](https://woile.github.io/automating-releases-github-actions-presentation/#/)                                             |
 
 ## Articles
 
 - [Python Table Manners - Commitizen: 規格化 commit message](https://lee-w.github.io/posts/tech/2020/03/python-table-manners-commitizen/) (Written in Traditional Mandarin)
-- [Automating semantic release with commitizen](http://woile.github.io/posts/automating-semver-releases-with-commitizen/) (English)
+- [Automating semantic release with commitizen](https://woile.dev/posts/automating-semver-releases-with-commitizen/) (English)
 
-> If you have written about commitizen, you can make a PR to add the link here 💪
+[automatizando]: https://youtu.be/t3aE2M8UPBo