docs: update incremental-merkle-tree usage section

packages/incremental-merkle-tree/README.md

@@ -63,31 +63,25 @@ or [JSDelivr](https://www.jsdelivr.com/):
 
 ## 📜 Usage
 
-\# **new MerkleTree**(hash: _HashFunction_, depth: _number_, zero: _Node_): _MerkleTree_
+\# **new IncrementalMerkleTree**(hash: _HashFunction_, depth: _number_, zero: _Node_, arity: _number_): _IncrementalMerkleTree_
 
 ```typescript
-import { MerkleTree } from "@zk-kit/incremental-merkle-tree"
+import { IncrementalMerkleTree } from "@zk-kit/incremental-merkle-tree"
 import { poseidon } from "circomlibjs" // v0.0.8
 
-const tree = new MerkleTree(poseidon, 16, BigInt(0))
-
-console.log(tree.root) // 19217088683336594659449020493828377907203207941212636669271704950158751593251
+const tree = new MerkleTree(poseidon, 16, BigInt(0), 2) // Binary tree.
 ```
 
 \# **insert**(leaf: _Node_)
 
 ```typescript
 tree.insert(BigInt(1))
-
-console.log(tree.root) // 16211261537006706331557500769845541584780950636316907182067421710925347020533
 ```
 
 \# **delete**(index: _number_)
 
 ```typescript
 tree.delete(0)
-
-console.log(tree.root) // 19217088683336594659449020493828377907203207941212636669271704950158751593251
 ```
 
 \# **indexOf**(leaf: _Node_): _number_
@@ -96,46 +90,12 @@ console.log(tree.root) // 192170886833365946594490204938283779072032079412126366
 tree.insert(BigInt(2))
 
 const index = tree.indexOf(BigInt(2))
-
-console.log(index) // 1
-// The first element is the previously deleted leaf = 0.
 ```
 
 \# **createProof**(index: _number_): _Proof_
 
 ```typescript
 const proof = tree.createProof(1)
-
-console.log(proof)
-/*
-{
-    root: 2187155820074874614256666533049960968550634565313477432886010125943412357599n,
-    leaf: 2n,
-    siblingNodes: [
-        0n,
-        14744269619966411208579211824598458697587494354926760081771325075741142829156n,
-        7423237065226347324353380772367382631490014989348495481811164164159255474657n,
-        11286972368698509976183087595462810875513684078608517520839298933882497716792n,
-        3607627140608796879659380071776844901612302623152076817094415224584923813162n,
-        19712377064642672829441595136074946683621277828620209496774504837737984048981n,
-        20775607673010627194014556968476266066927294572720319469184847051418138353016n,
-        3396914609616007258851405644437304192397291162432396347162513310381425243293n,
-        21551820661461729022865262380882070649935529853313286572328683688269863701601n,
-        6573136701248752079028194407151022595060682063033565181951145966236778420039n,
-        12413880268183407374852357075976609371175688755676981206018884971008854919922n,
-        14271763308400718165336499097156975241954733520325982997864342600795471836726n,
-        20066985985293572387227381049700832219069292839614107140851619262827735677018n,
-        9394776414966240069580838672673694685292165040808226440647796406499139370960n,
-        11331146992410411304059858900317123658895005918277453009197229807340014528524n,
-        15819538789928229930262697811477882737253464456578333862691129291651619515538n
-    ],
-    path: [
-        1, 0, 0, 0, 0, 0,
-        0, 0, 0, 0, 0, 0,
-        0, 0, 0, 0
-    ]
-}
-*/
 ```
 
 \# **verifyProof**(proof: _Proof_): _boolean_