Init Staking flow

[kkosiorowska]

⚠️⚠️⚠️This PR is out of date for now and will be split into smaller parts. ⚠️⚠️⚠️

This PR inits the staking flow. Staking flow is quite extensive in terms of designs and logic. There are already a lot of changes for this PR so let's not extend it. The scope of the changes includes the addition of the first 3 models and the sidebar. This will make it easier to split up the work. The PR also includes several improvements to the previous logic.

Changes

• Added the first 3 modals
• Created a context for staking - StakingFlowContext
• Created a separate component for the balance
• Maked that optional props for components can be used. Disabled an eslint rule.
• Created a variant for Tabs - underline
• Created a variant for Stepper - basic
• Added values for z-indices
• Initialisation of sidebar
• Initialisation of docs drawer

What will be done in the next steps

• Next modals and full stake flow
• Create a custom component for input
• Set the correct colors and typography
• Implementation of the sidebar component
• Implementation of the docs drawer component

UI

Screen.Recording.2023-12-01.at.15.41.11.mov

[kkosiorowska]

Let's close this PR and split it into smaller parts to avoid conflicts and make it easier to check the code. Solution to #70.