Update Documentation (#79)

* Update README.md

* .

* Add getPriorityFeeEstimate

README.md

@@ -90,6 +90,8 @@ Comprehensive and performant API for tokens, NFTs, and compressed NFTs on Solana
   - [`getAssetsByGroup()`](#getAssetsByGroup): Get a list of assets by a group key and value. This endpoint is very useful for getting the mint list for NFT Collections.
   - [`getAssetsByCreator()`](#getAssetsByCreator): Get a list of assets created by an address.
   - [`getAssetsByAuthority()`](#getAssetsByAuthority): Get a list of assets with a specific authority.
+  - [`getTokenAccounts()`](#getTokenAccounts): Get information about all token accounts for a specific mint or a specific owner.
+  - [`getNftEditions()`](#getNftEditions): Get information about all the edition NFTs for a specific master NFT
 
 [**Mint API**](#mint-api)
 
@@ -121,6 +123,7 @@ Offers additional tools for various Solana-related tasks like analyzing blockcha
 - [`airdrop()`](#airdrop): Request an allocation of lamports to the specified address
 - [`getStakeAccounts()`](#getStakeAccounts): Returns all the stake accounts for a given public key.
 - [`getTokenHolders()`](#getTokenHolders): Returns all the token accounts for a given mint address (ONLY FOR SPL TOKENS).
+- [`getPriorityFeeEstimate()`](#getPriorityFeeEstimate): Returns an estimated priority fee based on a set of predefined priority levels (percentiles).
 
 ## DAS API (Digital Asset Standard)
 
@@ -270,6 +273,40 @@ const response = await helius.rpc.getAssetsByAuthority({
 console.log(response.items);
 ```
 
+### getTokenAccounts()
+
+Get information about all token accounts for a specific mint or a specific owner.
+
+```ts
+const response = await helius.rpc.getTokenAccounts({
+  page: 1,
+  limit: 100,
+  options: {
+    showZeroBalance: false,
+  },
+  owner: "CckxW6C1CjsxYcXSiDbk7NYfPLhfqAm3kSB5LEZunnSE"
+});
+
+console.log(response);
+```
+
+### getNftEditions()
+
+Get information about all the edition NFTs for a specific master NFT.
+
+```ts
+import { Helius } from "helius-sdk";
+
+const helius = new Helius("YOUR_API_KEY");
+const response = await helius.rpc.getNftEditions({
+  mint: "Ey2Qb8kLctbchQsMnhZs5DjY32To2QtPuXNwWvk4NosL",
+  page: 1,
+  limit: 2,
+});
+
+console.log(response);
+```
+
 ## Mint
 
 To read more about the easiest way to mint cNFTs on Solana, see [our docs](https://docs.helius.dev/compression-and-das-api/mint-api).
@@ -611,6 +648,23 @@ const helius = new Helius("YOUR_API_KEY");
 const response = await helius.rpc.getTokenHolders("<token mint address>");
 ```
 
+### getPriorityFeeEstimate()
+This method considers both global and local fee markets in the estimation. Users can also specify to receive all the priority levels and adjust the window with which these levels are calculated via `lookbackSlots`
+
+```ts
+import { Helius } from "helius-sdk";
+const helius = new Helius("YOUR_API_KEY");
+
+const response = await helius.rpc.getPriorityFeeEstimate({
+  accountKeys: ["JUP6LkbZbjS1jKKwapdHNy74zcZ3tLUZoi5QNyVTaV4"],
+  options: {
+    includeAllPriorityFeeLevels: true,
+  }
+});
+
+console.log(response);
+```
+
 ## helius.connection
 
 > [!WARNING]