docs: update town hall history (datahub-project#1897)

docs/townhall-history.md

@@ -9,8 +9,8 @@ A list of previous Town Halls, their planned schedule, and the recording of the
 Agenda
 
 - Quick intro - 5 mins
-- Data Discoverability at SpotHero ([Maggie Hays](https://www.linkedin.com/in/maggie-hays/)) - 15 mins
-- Designing the next generation of metadata events for scale ([Chris Lee](https://www.linkedin.com/in/chrisleecmu/)) - 15 mins
+- [Data Discoverability at SpotHero](https://github.com/linkedin/datahub/blob/mars-lan-patch-1/docs/demo/Data%20Discoverability%20at%20SpotHero.pdf) by [Maggie Hays](https://www.linkedin.com/in/maggie-hays/) (SpotHero) - 20 mins
+- [Designing the next generation of metadata events for scale](https://github.com/linkedin/datahub/blob/mars-lan-patch-1/docs/demo/Designing%20the%20next%20generation%20of%20metadata%20events%20for%20scale.pdf) by [Chris Lee](https://www.linkedin.com/in/chrisleecmu/) (LinkedIn) - 15 mins
 - General Q&A from sign up sheet, slack, and participants - 15 mins
 - Closing remarks - 5 mins
 
@@ -21,8 +21,8 @@ Agenda
 
 Agenda
 - Quick intro - 5 mins
-- [Presentation] [Data Governance look for a Digital Bank](https://www.slideshare.net/SheetalPratik/linkedinsaxobankdataworkbench) by [Sheetal Pratik](https://www.linkedin.com/in/sheetalpratik/) from Saxo Bank (20 mins)
-- [Demo] Column level lineage for datasets - by [Nagarjuna](https://www.linkedin.com/in/nagarjunak/) from LinkedIn (15 mins)
+- [Data Governance look for a Digital Bank](https://www.slideshare.net/SheetalPratik/linkedinsaxobankdataworkbench) by [Sheetal Pratik](https://www.linkedin.com/in/sheetalpratik/) (Saxo Bank) - 20 mins
+- Column level lineage for datasets demo by [Nagarjuna Kanamarlapudi](https://www.linkedin.com/in/nagarjunak/) (LinkedIn) - 15 mins
 - General Q&A from sign up sheet and participants - 15 mins
 - Closing remarks - 5 mins
 
@@ -32,9 +32,9 @@ Agenda
 
 Agenda
   * Quick intro - 5 mins
-  * [Demo] Showcasing new entities onboarded to internal LinkedIn DataHub (Data Concepts, Schemas) - by [Nagarjuna](https://www.linkedin.com/in/nagarjunak) from LinkedIn (15 mins)
-  * [Demo] Showcasing new Lineage UI in internal LinkedIn DataHub - By [Ignacio](https://www.linkedin.com/in/ignaciobona) from LinkedIn (10 mins)
-  * [Announcement] New [RFC Process](https://github.com/linkedin/datahub/blob/master/docs/rfc.md) - John Plaisted! (2 mins)
+  * Showcasing new entities onboarded to internal LinkedIn DataHub (Data Concepts, Schemas) by [Nagarjuna Kanamarlapudi](https://www.linkedin.com/in/nagarjunak) (LinkedIn) - 15 mins
+  * Showcasing new Lineage UI in internal LinkedIn DataHub By [Ignacio Bona](https://www.linkedin.com/in/ignaciobona) (LinkedIn) - 10 mins
+  * New [RFC Process](https://github.com/linkedin/datahub/blob/master/docs/rfc.md) by [John Plaisted](https://www.linkedin.com/in/john-plaisted-49a00a78/) (LinkedIn) - 2 mins
   * Answering questions from the signup sheet - 13 mins
   * Questions from the participants - 10 mins
   * Closing remarks - 5 mins
@@ -45,8 +45,8 @@ Agenda
 
 Agenda
   * Quick intro - 5 mins
-  * [Demo] Onboarding Data Process entity by [Liangjun](https://github.com/liangjun-jiang) from Expedia - 15 mins
-  * [Demo] How to onboard a new relationship to metadata graph by [Kerem](https://github.com/keremsahin1) from Linkedin - 15 mins
+  * Onboarding Data Process entity by [Liangjun Jiang](https://github.com/liangjun-jiang) (Expedia) - 15 mins
+  * How to onboard a new relationship to metadata graph by [Kerem Sahin](https://github.com/keremsahin1) (Linkedin) - 15 mins
   * Answering questions from the signup sheet - 15 mins
   * Questions from the participants - 10 mins
   * Closing remarks - 5 mins
@@ -57,8 +57,8 @@ Agenda
 
 Agenda
   * Quick intro - 5 mins
-  * [Demo] How to add a new aspect/feature for an existing entity in UI from Charlie - 10 mins
-  * [Demo] How to search over a new field from Jyoti - 10 mins
+  * How to add a new aspect/feature for an existing entity in UI by [Charlie Tran](https://www.linkedin.com/in/charlie-tran/) (LinkedIn) - 10 mins
+  * How to search over a new field by [Jyoti Wadhwani](https://www.linkedin.com/in/jyotiwadhwani/) (LinkedIn) - 10 mins
   * Answering questions from the signup sheet - 15 mins
   * Questions from the participants - 10 mins
   * Closing remarks - 5 mins
@@ -69,10 +69,10 @@ Agenda
 
 Agenda
   * Quick intro - 5 mins
-  * [Demo] [Expedia](https://www.expedia.com/) team will share how they are adopting DataHub for Expedia's production systems - 10 mins
-  * [Demo] [Larry](https://github.com/clojurians-org) will present on Nix Usage for Datahub and Related Database Lineage Content - 10 mins
-  * Answering questions from the signup sheet - 15 mins	  * Answering questions from the signup sheet - 15 mins
-  * Questions from the participants - 10 mins	  * Questions from the participants - 10 mins
+  * [DataHub Journey with Expedia Group](https://www.youtube.com/watch?v=ajcRdB22s5o&ab_channel=ArunVasudevan) by [Arun Vasudevan](https://www.linkedin.com/in/arun-vasudevan-55117368/) (Expedia) - 10 mins
+  * Deploying DataHub using Nix by [Larry Luo](https://github.com/clojurians-org) (Shanghai HuaRui Bank) - 10 mins
+  * Answering questions from the signup sheet - 15 mins
+  * Questions from the participants - 10 mins
   * Closing remarks - 5 mins
 
 ## 04/03/20
@@ -83,8 +83,8 @@ Agenda
 
 - Agenda
   * Quick intro - 5 mins
-  * [Demo] Creating Helm charts for deploying DataHub on Kubernetes by [Bharat](https://github.com/bharatak) - 10 mins
-  * [Demo] How to onboard a new metadata aspect by [Mars](https://www.linkedin.com/in/marslan) - 10 mins
+  * Creating Helm charts for deploying DataHub on Kubernetes by [Bharat Akkinepalli](https://www.linkedin.com/in/bharat-akkinepalli-ba0b7223/) (ThoughtWorks) - 10 mins
+  * How to onboard a new metadata aspect by [Mars Lan](https://www.linkedin.com/in/marslan) (LinkedIn) - 10 mins
   * Answering questions from the signup sheet - 15 mins
   * Questions from the participants - 10 mins
   * Closing remarks - 5 mins