Implement 5 - Validator Details

[cfl0ws]

• [x] 5.1 Operator address
• [x] 5.2 Address
• [x] 5.3 Fee
• [x] 5.4 Max rate
• [x] 5.5 Max change rate
• [x] 5.6 Self delegation amount
• [x] 5.7 Address balance
• [x] 5.8 Voting Power
• [x] 5.9 Last proposed block and time
• [x] 5.10 Any validator details configured
• [x] 5.11 Gaia version running
• [x] 5.12 Current unclaimed/unwithdrawn rewards amount