feat(docs): add v0.14.0 update for main network in active networks (#…

…1046)

pages/references/ledger/active-networks.mdx

@@ -17,6 +17,7 @@ Below you can find all of needed specifications for the **Fetch Main Network (Ma
     |                | [v0.10.5 ↗️](https://github.com/fetchai/fetchd/releases/tag/v0.10.5) for blocks >  7305500, standard software upgrade |
     |                | [v0.10.7 ↗️](https://github.com/fetchai/fetchd/releases/tag/v0.10.7) for blocks > 11235678, standard software upgrade |
     |                | [v0.11.3 ↗️](https://github.com/fetchai/fetchd/releases/tag/v0.11.3) for blocks > 14699873, standard software upgrade |
+    |                | [v0.14.0 ↗️](https://github.com/fetchai/fetchd/releases/tag/v0.14.0) for blocks > 18938999, standard software upgrade |
     | RPC Endpoint   | [https://rpc-fetchhub.fetch.ai:443 ↗️](https://rpc-fetchhub.fetch.ai:443) |
     | GRPC Endpoint  | [https://grpc-fetchhub.fetch.ai:443 ↗️](https://grpc-fetchhub.fetch.ai:443) |
     | REST Endpoint  | [https://rest-fetchhub.fetch.ai:443 ↗️](https://rest-fetchhub.fetch.ai:443) |