Log in to Gitea.

Click on Repositories.

Create a new repository:
Click on the “+” in the upper right corner
From the menu, select New Repository
Type in a name of the repository in the Repository Name text box
(In this example, the name of the repository will be: planning)
Click on Create Repository

Select your repository; in this example, select a repository named planning

Click on Projects > New Project

Enter the name of the project in the Title text box
If needed, fill out Description, Template, Card Previews
Click Create Project
(in this example, the name of the project will be: Update the server)

Click on Project tab
Select the project where you want to add Kanban board
(in this example, a project named Update the server)
You will be presented with a Kanban view
Here you can add new columns by clicking on New Column
Default: the first column is automatically added and is named Uncategorized
To add a new column, click on New Column
Give it a name by typing it in the Name text box
(in this example, let’s name it: Today)
Click Create Column

To add a new item for columns in Kanban board (aka Kanban view):
Click on Issues tab
Click on New Issue
Type the title of the issue in the Title text box
(in this example, name of a new issue will be: Renew certificate)
Select one or all of the following links (with cogwheel or gearwheel icons):
Labels, Milestone, Projects, Assignees
In this example, I selected:
Projects > Update the server
Assignees > dusko
Click on Create Issue

Click on Projects tab
Click on the project name; in this case: Update the server
Default: the issue from the previous step is added to Uncategorized column
You can move it to another column; for example, to column Today