Updated README for the Download mirrors in Method A, tiny changes to README.md no change to Scripting

[JoMfN]

👮🏻👮🏻👮🏻 !!!! REFERENCE THE PROBLEM YOUR ARE SOLVING IN THE PR TITLE AND DESCRIBE YOUR SOLUTION HERE !!!! DO NOT FORGET !!!! 👮🏻👮🏻👮🏻

PR Checklist:

• [x ] Have you read the CONTRIBUTING.md?
• [x ] Does your PR follow the C4 patch requirements?
• [/ ] Have you rebased your work on top of the latest master?
• [/ ] Have you checked your code compiles? (make)
• [x ] Have you included tests for any non-trivial functionality?
• [/ ] Have you checked your code passes the unit tests? (make test)
• [/ ] Have you checked your code formatting is correct? (go fmt)
• [/ ] Have you checked your basic code style is fine? (golangci-lint run)
• [/ ] If you added any dependencies, have you checked they do not contain any known vulnerabilities? (go list -json -m all | nancy sleuth)
• [/ ] If your changes affect the client infrastructure, have you run the integration test?
• [/ ] If your changes affect public APIs, does your PR follow the C4 evolution of public contracts?
• If your code changes public APIs, have you incremented the crate version numbers and documented your changes in the CHANGELOG.md?
• If you are contributing for the first time, please read the agreement in CONTRIBUTING.md now and add a comment to this pull request stating that your PR is in accordance with the Developer's Certificate of Origin.

Thank you for your code, it's appreciated! :)

Checked, only README.md is changed so tiny pull request one might say

[JoMfN]

wget https://ftp.basementnodes.ca/snapshots/gl1/data.tar.lz4

[JoMfN]

wget http://85.122.195.176:36214/dataNoWal.zip

[JoMfN]

in general

default HOME_DIR=~/.genesis

wget -qO- "${SNAPSHOT_URL}" \
  | lz4 -d \
  | tar -xvf - -C "${HOME_DIR}"

[JoMfN]

git clone https://github.com/GenesisL1/genesis-crypto.git

[JoMfN]

lz4 -d data.tar.lz4 | tar -xvf -

[JoMfN]

Some adjustments on up to date URLs