Add Governance Database Watcher

[bonedaddy]

• Every 10 minutes check to see the current proposal count, if greater than our last store the missing information in the database.
• Every 60 minutes check to see if existing non-executed proposals have been cancelled or executed

Example table

// Proposal is a given governance proposal submission
type Proposal struct {
	gorm.Model
	ID           int64
	Proposer     string
	Eta          int64
	StartBlock   int64
	FortVotes    int64
	AgainstVotes int64
	Canceled     bool
	Executed     bool
}