Odd/Even channels on barcode aware sequencing

[Adoni5]

Issue to track progress on this branch

[Adoni5]

Tasks:

• [x] Add extra field to condition dict, key, odd_even: val type bool
• [x] Check the field for a read, if true % 2 treat as control
• [x] Add field to TOML validation schema under conditions

[Adoni5]

• [x] test against icarust on Prom

[Adoni5]

Changes on review

• [x] Remove TOML field
• [x] Alter validation schema back
• [x] Use experimental flag on barcode targets instead

[Adoni5]

Closed in b9c31757869ac95f718e670b1fd05c0b59df54a2