Add feature to create Azure Firewall

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What problem are you facing?

Create Azure Firewall using crossplane and add NAT rules, Network rules and Application rules.

How could Crossplane help solve your problem?

Creation of Azure Firewall through crossplane will help in provisioning the resource in azure and also reconciliation.

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Working on this enhancement. Azure Firewall creation. Azure Firewall Controller creation is done. Currently working on adding the rules.

FYI @muvaf @hasheddan , please assign this issue to us. (Shreya and Me)

Contributors:
Shubham Roy Choudhury : https://github.com/escortnotice

Shreya Namdeo : https://github.com/ShreyNamdeo

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Developed AzureFirewall feature and have sent a PR. Currently you can only create a NAT and Network Rule (5tuple).

There is a bug as of now, which we are working on which is , the private ip is not getting created and assigned to the azure firewall, when the firewall gets created.

PR: #201