v2.0.0

• Add a total of three navigation modes: strict, semi-strict, free
• Add a canEnter input to the wizard steps
• Add an input to specify the default wizard step, which is entered during initialization
• Add a directive, which can be added to a wizard step, which specifies, that the step should be entered during initialization
• Add an input to the wizard component, which allows the deactivation of the navigation in the navigation bar
• Rename the title input of the wizard steps to stepTitle
• Rename index.ts to index.js
• Allow Promise<boolean> return values from canEnter and canExit input functions
• Add a new resetWizard directive
• Refactoring
• Other improvements