update events.md to index.md info

en/events.md

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 title: Events
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-
+- Ongoing:
+   - **card10 reworking/soldering/etc.**: card10 village (R8)
 - Upcoming:
- - **card10 Soldering Session in Berlin**: xHain Wed-Thurs 14&15. August starting at 10 am
+   - **card10 firmware workshop**: card10 village (R8), Sun 18.08. 16:00
+   - **card10 [talk](https://fahrplan.events.ccc.de/camp/2019/Fahrplan/events/10365.html)**: Curie Wed 21.08. 12:00
 - Previous
+ - card10 Soldering Session in Berlin: xHain Wed-Thurs 14&15. August starting at 10 am
  - card10 Soldering Session in Berlin: xHain Sat-Sun 10.-11. August starting at 10 am
  - card10 meetup in Berlin: xHain 06.08. ~~19:00~~ => 20:00
  - card10 meetup in Berlin: xHain 05.06. 20:00