Template navbar

[vikiival]

the new nabar should contain for pages:

On the left side of the navbar:

• Logo - will provide (@vikiival) - / - landing page
• /nft - the example of quering NFT via the @kodadot1/uniquery component (/bsx/nft/1110111-1)
• /query - similar to Pallet handling component #32 but should be just simple example how to query something generic such as current block
• /contract - tbd.
• /spell - tbd

on the right side have login button to connect to the wallet.