Fill the input boxes below that will automatically populate the metadata block at the bottom of the page.
Some boxes allow entering multiple items. Start typing or press the down arrow to see options. Make sure to press Enter in the input boxes to save them. They will show up as tags below the input box. You can click on the X to remove tags.
Once you're done, make sure all the fields in the block is filled. Then copy-paste it into the top of your project Markdown file.