docs: Improve sign-up documentation for ClassroomIO (#173)

* docs: Improve sign-up documentation for ClassroomIO

This commit includes improvements to the sign-up documentation for ClassroomIO, enhancing clarity, completeness, and user guidance. 

Notable additions include:
- A note about signing up being disabled on production with alternatives provided.
- Links to relevant resources, such as the ClassroomIO features and booking a demo, for easier navigation.
- Detailed onboarding process to provide clarity.
- Guidance on what to expect upon reaching the dashboard and what actions to take next.

The changes ensure that users have all the information they need to successfully navigate the sign-up process and get started with ClassroomIO.

* docs: Enhance sign-up documentation for ClassroomIO

Added a callout to emphasize disabled sign-up.

* Updated signup.mdx

Due to feedback, I've reduced the paragraphs length while retaining the information to reduce cognitive load.

* format code

---------

Co-authored-by: Rotimi Best <[email protected]>

apps/docs/pages/quickstart/signup.mdx

@@ -6,34 +6,63 @@ import DashboardOnboardingPage1 from './images/onboarding-page1.webp';
 import DashboardOnboardingPage2 from './images/onboarding-page2.webp';
 import DashboardSignupPage from './images/signup-page.webp';
 
-# Signing Up for ClassroomIO
+# Sign Up for ClassroomIO
 
-Signing up is currently disabled on production. Potential customers can only book a demo or try out our local setup.
+If you're new to ClassroomIO, you must create an account to set up and launch your organization. By signing up, you'll gain access to all the [exciting features we offer](https://www.classroomio.com/docs/what-is-classroomio#key-features) to supercharge your classroom.
 
 <Steps>
-### Go to the Sign up page
+### Go to the Signup Page
 
-Go to [app.classroomio.com](https://app.classroomio.com). Click on the signup button on the top right to take you to the Sign Up page.
+Navigate to [app.classroomio.com](https://app.classroomio.com) and click the **Signup** button at the top right corner of the page.
 
-<Image src={DashboardHomePageSignedout} alt="Dashboard before signin" quality="100" />
+<Image
+  src={DashboardHomePageSignedout}
+  alt="ClassroomIO website with a navigation bar at the top of the page containing the logo on the left along with the login and signup button on the right. Also, the page contains an email field with a Join waiting list button."
+  quality="100"
+/>
 
-### Create an account
+### Fill the Signup Form
 
-Once you are on the signup page, enter your email and a password made up of 6 or more characters.
+On the signup page, enter your **valid email address**. Next, create a secure password with a **minimum of 6 characters** and confirm it. Click **Create Account**.
 
-<Image src={DashboardSignupPage} alt="Dashboard signin page" quality="100" />
+You can also sign up using your Google account.
 
-### Complete the onboarding
+<Image
+  src={DashboardSignupPage}
+  alt="ClassroomIO sign-up page with a sign-up form containing inputs for Your Name, Your Password, and, Confirm Password. At the bottom, there is a Create Account button, a Sign up with Google button, and, a link to log in if you already have an account."
+  quality="100"
+/>
 
-Upon completing the signup flow, you will be redirected to the onboarding page. Here you can enter your fullname and your organization details and next you would share how you heard about ClassroomIO
+### Complete the Onboarding
 
-<Image src={DashboardOnboardingPage1} alt="Dashboard onboarding page 1" quality="100" />
-<Image src={DashboardOnboardingPage2} alt="Dashboard onboarding page 2" quality="100" />
+After completing the Signup form, you'll be redirected to the **Onboarding** page. There, you'll provide your **Full Name** and **Name of Organization.** As you enter your organization name, the **Organization Site Name** field will auto-fill. To proceed, click **Continue**.
 
-### Welcome to the dashboard
+<Image
+  src={DashboardOnboardingPage1}
+  alt="ClassroomIO onboarding page with a form containing inputs for Full Name, Name of Organization, and, Organization Site Name. At the bottom, there is a Continue button."
+  quality="100"
+/>
 
-After you go through the onboarding, you are successfully signed up and are ready to start using the platform.
+Next, you'll complete a brief survey regarding what brought you to ClassroomIO and how you discovered our platform. Your responses will help us tailor ClassroomIO's features to best suit your needs. Finally, click **Continue** to submit.
 
-<Image src={DashboardHomePageSignedin} alt="Dashboard after signing in" quality="100" />
+<Image
+  src={DashboardOnboardingPage2}
+  alt="ClassroomIO second slide of onboarding page with a questionnaire"
+  quality="100"
+/>
+
+### Welcome to the Dashboard
+
+You are successfully signed up and ready to use ClassroomIO when you see the dashboard.
+
+<Image
+  src={DashboardHomePageSignedin}
+  alt="ClassroomIO dashboard with a big pop-up containing a welcome message"
+  quality="100"
+/>
+
+### What Next?
+
+After signing up successfully, you can now set up and [customize your Organization](https://www.classroomio.com/docs/howtoguides/customize-organization)
 
 </Steps>