format content from threefold_data and replace current newsroom

content/newsroom/tfgrid3_mainnet_almost/index.md

@@ -0,0 +1,23 @@
+---
+id: tfgrid3_mainnet_almost
+title: ThreeFold Grid 3 Mainnet Update
+image_caption: ThreeFold Grid 3 Mainnet Update
+date: 2021-12-30
+description: TF Grid 3 Mainnet has been launched with limited capacity! Just close community news, for now.
+taxonomies:
+    people: [sam_taggart]
+    tags: [threefold_grid,update,community,technology]
+    news-category: [foundation]
+extra:
+    imgPath: tfgrid3_mainnet_almost.png
+---
+
+👀 **TF Grid 3.0 mainnet is [almost there](https://forum.threefold.io/t/tfgrid-mainnet-almost-there/1624/2)!**
+
+<br/>
+
+*Update: Mainnet has been launched yesterday, almost no capacity yet https://explorerv3.grid.tf/ but some farmers will add over next days. We expect to have much more in 1 week.*
+
+<br/>
+
+*No big announcements yet, this is all close community news for now.* 🙏