chore(SOLNENG-27): update docs

Author: MnrGreg

README.md

@@ -8,7 +8,7 @@ To get started, click on the links for installation and usage instructions.
 - [Stake deposit from Fireblocks wallet with TypeScript SDK](./solana-staking/fireblocks/nodejs/README.md)
 
 ## Ethereum Staking
-- [Stake deposit from Builder Vault wallet with Web3 Provider TypeScript SDK](./ethereum-staking/buildervault/nodejs-web3provider/README.md)
+- [Stake deposit from Builder Vault wallet with Web3 Provider TypeScript SDK](./ethereum-staking/buildervault/nodejs-web3provider/README.md)    -   [(video clip)](https://youtu.be/H2kEFeiGq54?feature=shared)
 - [Stake deposit from Builder Vault wallet with Golang SDK](./ethereum-staking/buildervault/golang/README.md)
 - [Stake deposit from Builder Vault wallet with TypeScript SDK](./ethereum-staking/buildervault/nodejs/README.md)
 - [Stake deposit from Fireblocks wallet with TypeScript SDK](./ethereum-staking/fireblocks/nodejs/README.md)    -   [(video clip)](https://youtu.be/_6uwwNTh7iQ?feature=shared)

ethereum-staking/buildervault/nodejs-web3provider/README.md

@@ -47,17 +47,18 @@ cp .env.example .env
 ```shell
 npm config set @sepior:registry=https://gitlab.com/api/v4/projects/56306653/packages/npm/   # Builder Vault nodejsSDK public repository
 npm config set @blockdaemon:registry=https://npm.pkg.github.com/
+npm config set //npm.pkg.github.com/:_authToken=YOUR_GITHUB_PAT
 npm install @blockdaemon/buildervault-web3-provider
 ```
 
 ### Step 3. Launch ethereum-stake-bv.ts to determine the BuilderVault wallet address
 ```shell
-ts-node ethereum-stake-bv.ts
+npx ts-node ethereum-stake-bv.ts
 ```
 - if needed, copy the new Ethereum wallet address and fund the account with https://holesky-faucet.pk910.de/#/
 
 ### Step 4. Re-launch ethereum-stake-bv.ts to generate the Stake Intent request, execute the contract with BuilderVault, and broadcast the transaction
 ```shell
-ts-node ethereum-stake-bv.ts
+npx ts-node ethereum-stake-bv.ts
 ```
 - observe the confirmed transaction through the generated blockexplorer link