FrostFS rebranding

[alexvanin]

After #1

Follow up:

• Update logo
• Update README.md
• Update CONTRIBUTING.md
• Fix codeowners
• Change binary name
• Update makefile
• Update docker build
• Update debian package details

Later:

• Update testcontainer image in integration test
• Recreate issues mentioned in code and update links
• Remove internal mentions of previous project
• Update dev-env addresses used in docs
• Use system attributes __FROSTFS__ instead of __NEOFS__