refactor: add getHomeserver

Adds getHomeserver method.
Updates example app.
Bumps version to 0.10.2.
Updates README.md.

example/ios/Podfile.lock

@@ -1237,7 +1237,7 @@ PODS:
     - ReactCommon/turbomodule/bridging
     - ReactCommon/turbomodule/core
     - Yoga
-  - react-native-pubky (0.10.1):
+  - react-native-pubky (0.10.2):
     - DoubleConversion
     - glog
     - hermes-engine
@@ -1757,7 +1757,7 @@ SPEC CHECKSUMS:
   React-logger: 4072f39df335ca443932e0ccece41fbeb5ca8404
   React-Mapbuffer: 714f2fae68edcabfc332b754e9fbaa8cfc68fdd4
   React-microtasksnativemodule: 4943ad8f99be8ccf5a63329fa7d269816609df9e
-  react-native-pubky: 223d9be8cf0ca3f97fc4202779dc6629bc0bf8a2
+  react-native-pubky: b75611d5a4e02c66967555b7be2f837fc3628b8e
   React-nativeconfig: 4a9543185905fe41014c06776bf126083795aed9
   React-NativeModulesApple: 0506da59fc40d2e1e6e12a233db5e81c46face27
   React-perflogger: 3bbb82f18e9ac29a1a6931568e99d6305ef4403b

example/src/App.tsx

@@ -22,6 +22,7 @@ import {
   session,
   deleteFile,
   getSignupToken,
+  getHomeserver,
 } from '@synonymdev/react-native-pubky';
 
 const HOMESERVER = '8pinxxgqs41n4aididenw5apqp1urfmzdztr8jt4abrkdn435ewo';
@@ -190,6 +191,23 @@ export default function App() {
           }
         }}
       />
+      <Button
+        title={'getHomeserver'}
+        onPress={async (): Promise<void> => {
+          try {
+            const res = await getHomeserver(
+              PUBLIC_KEY // Public key
+            );
+            if (res.isErr()) {
+              console.log(res.error.message);
+              return;
+            }
+            console.log(res.value);
+          } catch (e) {
+            console.log(e);
+          }
+        }}
+      />
       <Button
         title={'signout'}
         onPress={async (): Promise<void> => {