Merge branch 'google-sheets-docs' of https://github.com/MLH-Fellowship/n8n-docs into MLH-Fellowship-google-sheets-docs

docs/nodes/credentials/Google/README.md

@@ -63,3 +63,25 @@ It will appear something like this in a text editor:
 11. Before entering the private_key in n8n, make sure that you replace all the `\n` with new lines.
 
 ![Getting Google credentials](https://i.imgur.com/Q9eFy7B.gif)
+
+## Using OAuth
+
+1. Access your [Google cloud console](https://console.cloud.google.com).
+2. Click on the hamburger menu button on the top left.
+3. Click on *API & Services*.
+4. Click on *Credentials*.
+5. Click on *Create Credentials*.
+6. Select *OAuth client ID*.
+7. Select *Web application* in the 'Application type' section.
+8. Click on *Add URI* in the 'Authorized redirect URIs' section.
+9. Copy your OAuth Callback URL from the 'Create New Credentials' screen in n8n and paste it in your Google cloud console.
+10. Click on *Create* in your Google cloud console.
+11. Copy the provided Client ID and Client Secret and paste them in the 'Create New Credentials' screen in n8n.
+12. Click on the *Connect OAuth Credentials* button in the 'OAuth' section in n8n.
+13. If a popup alert shows 'This app isn't verified', click on *Advanced* and then click on *Go to [project]*.
+14. Click on *Allow* for every permission request and finally on *Allow* at the confirmation screen.
+14. Once the credential has connected, click on *Create* in the 'Create New Credentials' screen in n8n.
+13. Return to your Google cloud console and click on *Library* in the menu on the left.
+14. Search for 'Sheets', and click on *Google Sheets API*.
+15. Click on *Enable*.
+

docs/nodes/nodes-library/nodes/GoogleSheets/README.md

@@ -0,0 +1,45 @@
+---
+permalink: /nodes/n8n-nodes-base.googleSheets
+---
+
+# Google Sheets
+
+[Google Sheets](https://www.google.com/sheets) is a web-based spreadsheet program that is part of Google's office software  suite within its Google Drive service.
+
+::: tip 🔑 Credentials
+You can find authentication information for this node [here](../../../credentials/Google/README.md).
+:::
+
+## Basic Operations
+
+- Append data to a sheet
+- Clear data from a sheet
+- Delete columns and rows from a sheet
+- Look up a specific column value in a sheet
+- Read data from a sheet
+- Update rows in a sheet
+
+## Example Usage
+
+This workflow shows you how to read from from a Google Sheets spreadsheet. You can also find the [workflow](https://n8n.io/workflows/449) on this website. This example usage workflow uses the following two nodes.
+- [Start](../../core-nodes/Start/README.md)
+- [GoogleSheets]()
+
+The final workflow should look like the following image.
+
+![A workflow with the GoogleSheets node](./workflow.png)
+
+### 1. Start node
+
+The Start node exists by default when you create a new workflow.
+
+### 2. Google Sheets node
+
+1. First of all, you'll have to enter credentials for the Google Sheets node. You can find out how to do that [here](../../../credentials/Google/README.md), in the section 'Google Drive / Sheets API'.
+2. Select *OAuth2* in the *Authentication* field.
+3. Copy the string of characters located between `/d/` and `/edit` in your spreadsheet URL. Paste that string in the *Sheet ID* field.
+4. In the *Range* field, enter the range of columns to be read from your spreadsheet.
+5. In the *Data Start Row* field, enter the number of the first row that contains data, excluding the header row.
+6. In the *Key Row* field, enter the number of the header row.
+7. Click on *Execute Node* to run the workflow.
+