HORNET-2.0.0-alpha.23

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This release contains a breaking change in the snapshot format.
⚠️ ⚠️ ⚠️

Added

- Add network-bootstrap tool (#1583)
- Add pruning manager (#1591) 
- Add snapshot importer (#1593) 
- Storing whiteFlagIndex in the BlockMetadata for each referenced block (#1603)

Changed

- Move UTXO tests to own package (#1589)
- Rename fields in Output and Spent types (#1590)
- Move test util functions to tpkg (#1596)
- Store protocol parameter updates for known tangle history (#1600) 
- Reorganize documentation (#1597)
- Update the Docker example README with a bit more information (#1592) 
- Update snapshot format (#1594) 
- Improve snapshot tools #1605 

Cleanups

- Replaced milestone.Index with iotago.MilestoneIndex (#1602) 

Config file changes

config.json

  "protocol": {
+    "targetNetworkName": "alphanet-8",
-    "parameters": {
-      "version": 2,
-      "networkName": "alphanet-7",
-      "bech32HRP": "rms",
-      "minPoWScore": 1000.0,
-      "belowMaxDepth": 15,
-      "vByteCost": 500,
-      "vByteFactorData": 1,
-      "vByteFactorKey": 10,
-      "tokenSupply": 2779530283277761
-    },
    ...
  },
  ...
  "snapshots": {
    ...
     "deltaSizeThresholdPercentage": 50,
+    "deltaSizeThresholdMinSize": "50M",
    ...
  },