add mzonder endpoint

Author: maxzonder

how-to-guides/mainnet.md

@@ -153,6 +153,7 @@ on [service providers with SLAs](#production-rpc-endpoints).
 - `celestia-rpc.chainode.tech:33373`
 - `celestia-mainnet-rpc.itrocket.net:443`
 - `celestia-rpc.noders.services`
+- `rpc-celestia.mzonder.com:443`
 
 #### Community API endpoints
 
@@ -174,6 +175,7 @@ on [service providers with SLAs](#production-rpc-endpoints).
 - `celestia-mainnet-api.itrocket.net:443`
 - `celestia-api.noders.services`
 - `celestia.rest.lava.build`
+- `api-celestia.mzonder.com:443`
 
 
 #### Community gRPC endpoints
@@ -194,6 +196,7 @@ on [service providers with SLAs](#production-rpc-endpoints).
 - `celestia-mainnet-grpc.itrocket.net:443`
 - `celestia-grpc.noders.services:11090`
 - `celestia.grpc.lava.build:443`
+- `grpc-celestia.mzonder.com:443`
 
 
 #### Community WebSocket endpoints
@@ -202,6 +205,7 @@ on [service providers with SLAs](#production-rpc-endpoints).
 - `wss://celestia-mainnet-ws.itrocket.net:443/websocket`
 - `wss://celestia.cumulo.org.es:443/websocket`
 - `wss://rpc.archive.celestia.cumulo.com.es:443/websocket`
+- `wss://rpc-celestia.mzonder.com:443/websocket`
 
 ### Data availability nodes
 
@@ -255,7 +259,10 @@ RPCs for DA nodes to initialise or start your celestia-node to Mainnet Beta with
 - `celestia-mainnet-consensus.itrocket.net`
   - gRPC: port 9090
   - RPC: port 26657
-
+- `celestia-archive-rpc.mzonder.com`
+  - gRPC: port 9090
+  - RPC: port 26657
+    
 DA full and light nodes might have troubles connecting to the networks, so you
 can check out this
 [Grafana dashboard](https://celestia.observer/grafana)
@@ -270,6 +277,10 @@ data availability (DA) nodes store the entire history of the chain without
 pruning any data so all data available data is retrievable. You can
 [read more about light vs archival nodes](/learn/retrievability.md).
 
+- `celestia-da-full-storage.mzonder.com`
+  - RPC: port 27758
+  - Gateway: port 27759
+
 ## Explorers
 
 There are multiple explorers you can use for Mainnet Beta: