Add drill creation dropdowns

Add dropdowns and input fields for drill creation form.

Replace text input fields with dropdowns for Skill Level, Complexity, Suggested length of time, Skills focused on, and Positions focused on in src/routes/drills/create/+page.svelte.
Add two input fields for Number of people: min and max in src/routes/drills/create/+page.svelte.
Update the database schema in src/routes/api/drills/+server.js to include min and max values for Suggested length of time and Number of people.
Update the database schema in src/routes/api/drills/+server.js to include dropdown options for Skill Level, Complexity, Skills focused on, and Positions focused on.
Update the test in cypress/e2e/drill_creation.cy.js to use dropdowns and input fields for the new form fields.
Update the tests in tests/test_api.py to use dropdowns and input fields for the new form fields.
Add a SQL query file src/routes/api/drills/create_table.sql to create the drills table with the updated schema.

For more details, open the Copilot Workspace session.

austeane / qdrill