Update Cosmwasm Testnet text (#384)

Author: Manav-Aggarwal

.vitepress/config.ts

@@ -296,7 +296,7 @@ function sidebarHome() {
     {
       text: "Testnets",
       collapsed: true,
-      items: [{ text: "Cosmwasm Testnet", link: "/testnets/cosmwasm-testnet" }],
+      items: [{ text: "CosmWasm Testnet", link: "/testnets/cosmwasm-testnet" }],
     },
     {
       text: "Blog",

testnets/cosmwasm-testnet.md

@@ -2,9 +2,9 @@
 description: This page provides details about Rollkit testnets.
 ---
 
-# Cosmwasm Testnet
+# CosmWasm Testnet
 
-Our cosmwasm testnet is deployed by following the [cosmwasm tutorial](/tutorials/cosmwasm.md). The [rollkit/wasmd](https://github.com/rollkit/wasmd/tree/v0.50.0) contains the code for the same.
+Our CosmWasm testnet is deployed by following the [cosmwasm tutorial](/tutorials/cosmwasm.md). The [rollkit/wasmd](https://github.com/rollkit/wasmd/tree/v0.50.0) contains the code for the same.
 
 ## Details of ROSM testnet