Login: add signup link.

src/components/LoginForm.tsx

@@ -181,6 +181,9 @@ class LoginForm extends React.PureComponent {
             </Button>
           </div>
         </form>
+        <div style={styles.forgotPassword}>
+          Don't have an account yet? <ExternalLink href={C.signUp}>Sign up here!</ExternalLink>
+        </div>
       </React.Fragment>
     );
   }

src/constants/index.ts

@@ -8,5 +8,6 @@ export const sourceCode = "https://github.com/etesync/etesync-web";
 export const reportIssue = sourceCode + "/issues";
 
 export const forgotPassword = "https://www.etesync.com/accounts/password/reset/";
+export const signUp = "https://www.etesync.com/accounts/signup/";
 
 export const serviceApiBase = process.env.REACT_APP_DEFAULT_API_PATH || "https://api.etesync.com/";