chore: Update Readme and add license

Author: tranhoangvuit

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2020 Supabase
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -1 +1,39 @@
-# supabase-go
+An isomorphic Go client for Supabase.
+
+## Features
+
+- [ ] Integration with [Supabase.Realtime](https://github.com/supabase-community/realtime-go)
+  - Realtime listeners for database changes
+- [x] Integration with [Postgrest](https://github.com/supabase-community/postgrest-go)
+  - Access your database using a REST API generated from your schema & database functions
+- [ ] Integration with [Gotrue](https://github.com/supabase-community/gotrue-go)
+  - User authentication, including OAuth, email/password, and native sign-in
+- [ ] Integration with [Supabase Storage](https://github.com/supabase-community/storage-go)
+  - Store files in S3 with additional managed metadata 
+- [ ] Integration with [Supabase Edge Functions](https://github.com/supabase-community/functions-go)
+  -  Run serverless functions on the edge
+
+## Quickstart
+
+1. To get started, create a new project in the [Supabase Admin Panel](https://app.supabase.io).
+2. Grab your Supabase URL and Supabase Public Key from the Admin Panel (Settings -> API Keys).
+3. Initialize the client!
+
+_Reminder: `supabase-go` has some APIs that require the `service_key` rather than the `public_key` (for instance: the administration of users, bypassing database roles, etc.). If you are using the `service_key` **be sure it is not exposed client side.** Additionally, if you need to use both a service account and a public/user account, please do so using a separate client instance for each._
+
+## Documentation
+
+### Get Started
+First of all, you need to install the library:
+```sh
+    go install github.com/supabase-community/supabase-go
+```
+
+Then you can use
+```go
+    client, err := supabase.NewClient(API_URL, API_KEY, nil)
+	if err != nil {
+		fmt.Println("cannot initalize client", err)
+	}
+	data, count, err := client.From("countries").Select("*", "exact", false).Execute()
+```