Add August, September and Octuber meetups

Author: pmonfort

_meetups/2025-08-21-rootstrap.md

@@ -5,10 +5,12 @@ host: rootstrap
 
 talks:
  - title: "Building AI Workflows with Roast"
+   recording: https://www.youtube.com/watch?v=CTcrnJJoQLw
    speakers:
      - laura_peralta
 
  - title: "El Encantador de Bestias"
+   recording: https://www.youtube.com/watch?v=Zw2GTOMvUS4
    speakers:
      - rodrigo_ponce_de_leon
 --- 

_meetups/2025-09-25-xmartlabs.md

@@ -5,6 +5,7 @@ host: xmartlabs
 
 talks:
  - title: "From Medical Records to Answers: RAG on Rails"
+   recording: https://www.youtube.com/watch?v=ExXQM-YDd24
    speakers:
      - guillermo_zorron
 

_meetups/2025-10-15-effectussoftware.md

@@ -5,10 +5,12 @@ host: effectussoftware
 
 talks:
  - title: 'The power of feature flags'
+   recording: https://www.youtube.com/watch?v=pp9s2boGTy0
    speakers:
      - alejandro_monetti
 
  - title: 'Del código al instinto, conversamos sobre Alfas y Omegas'
+   recording: https://www.youtube.com/watch?v=RRYgk8iAoMM
    speakers:
      - victoria_perez
 ---