add berlin preliminary date & rsvp

README.md

@@ -43,7 +43,7 @@ research and community of [Web3Privacy Now](https://web3privacy.info).
 | meetup | `ams1` | ⌛ | **2024-04-11** | 🇳🇱 Amsterdam | 3 | [ETHDam](https://www.ethdam.com/) | PG (+2) | [rsvp](https://lu.ma/w3pn-meetup-ams1) |
 | meetup | `tal1`* | ⌛ | 2024/Apr | 🇪🇪 Tallinn | 3 | [ETHTallinn](https://www.ethtallinn.org/) | - |  |
 | meetup | `por1`* | ⌛ | 2024/May | 🇵🇹 Porto | 3 | [ETHPorto](https://ethporto.org/) | - |  |
-| meetup | `ber1` | ⌛ | 2024/May | 🇩🇪 Berlin | 3 | ETHBerlin | Tree |  |
+| meetup | `ber1` | ⌛ | **2024-05-25** | 🇩🇪 Berlin | 3 | ETHBerlin | Tree | [rsvp](https://lu.ma/w3pn-meetup-berlin1) |
 | summit | `s3` | ⌛ | 2024/Jun | 🇨🇿 Prague | 16 | ETHPrague | Tree (+3) |  |
 | hackathon | `h1` | ✅ | **2024-06-19** -<br/>**2024-06-26** | 🇸🇮 Bled | 10 | W3PN Hackathon | Tree (+3) | [rsvp](https://lu.ma/w3pn-bled-hackathon1) |
 | meetup | `lju1` | ⌛ | **2024-06-21** | 🇸🇮 Ljubljana | 5 | W3PN Hackathon | Tree (+3) | [rsvp](https://lu.ma/w3pn-meetup-ljubljana1) |

events/events.yaml

@@ -120,13 +120,15 @@
 
 - id: w3pm-ber1
   type: meetup
-  date: "2024/May"
+  date: "2024-05-25"
   city: Berlin
   country: de
   # ETHBerlin 4 - May 24-26, 2024
   coincidence: "ETHBerlin"
   lead: Tree
   slots: 3
+  links:
+    rsvp: https://lu.ma/w3pn-meetup-berlin1
 
 - id: w3ps3
   type: summit