Align terminology with iOS and Android Apps (#168)

* Align web client to use the same terminology for nodes. Changing peers to nodes. This is inline with both the Android and iOS Apps.

* Revert style changes

src/pages/Messages.tsx

@@ -49,7 +49,7 @@ export const MessagesPage = (): JSX.Element => {
             />
           ))}
         </SidebarSection>
-        <SidebarSection label="Peers">
+        <SidebarSection label="Nodes">
           {filteredNodes.map((node) => (
             <SidebarButton
               key={node.num}

src/pages/Nodes.tsx

@@ -7,7 +7,7 @@ import { Hashicon } from "@emeraldpay/hashicon-react";
 import { Protobuf } from "@meshtastic/js";
 import { base16 } from "rfc4648";
 
-export const PeersPage = (): JSX.Element => {
+export const NodesPage = (): JSX.Element => {
   const { nodes, hardware } = useDevice();
 
   const filteredNodes = Array.from(nodes.values()).filter(