docs(readme): add create tasks table section (#501)

Author: Mat4m0

demo/README.md

@@ -20,12 +20,35 @@ Make sure to install the dependencies
 pnpm i
 ```
 
+### Supabase Setup
+
 Create a project on [Supabase](https://supabase.com).
 
 In your Supabase project, make sure to create the `tasks` table with the following fields:
 
 ![tasks_table](https://user-images.githubusercontent.com/7290030/159882068-c88b96da-6e2f-4d9b-8523-4a4270b1b05e.png)
 
+You can run the following query to create the `tasks` table in your SQL Editor:
+
+```sql
+CREATE TABLE tasks (
+  id SERIAL PRIMARY KEY,
+  created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+  user UUID NOT NULL,
+  title TEXT,
+  completed BOOLEAN DEFAULT FALSE
+);
+```
+
+Go to your supabase project settings, API section and get the project API key and url and fill the `.env` with them:
+
+```
+SUPABASE_URL="https://example.supabase.com"
+SUPABASE_KEY="<your_key>"
+```
+
+### GitHub Oauth Setup
+
 Create a GitHub Oauth Application on https://github.com/settings/applications/new
 
 Grant read access to Email addresses under User Permissions
@@ -38,12 +61,6 @@ Then, enable the GitHub Oauth Provider in your Supabase project (Authentication
 
 ![oauth_github](https://user-images.githubusercontent.com/904724/160397056-53099b19-1673-402d-86a2-4c18618a6ab3.png)
 
-Go to your supabase project settings, API section and get the project API key and url and fill the `.env` with them:
-
-```
-SUPABASE_URL="https://example.supabase.com"
-SUPABASE_KEY="<your_key>"
-```
 
 ## Development