[docs] Replace Truffle/web3 mentions and sample-project with Waffle/ehters

[viarnes]

• Mentions and links to Waffle/web3 replaced with Truffle/ethers
• Code samples changed (config, task, test and script
• Change npx buidler sample project files and code generation
  • Replace msg: Do you want to install the sample project's dependencies with npm (@nomiclabs/buidler-truffle5 @nomiclabs/buidler-web3 web3@^1.2.0)? with Waffle + Ethers + Chai
  • buidler.config.js
  • sample-test.js
  • sample-script.js

[tmilar]

We should also update Typescript Support page to match the getting started config for ethers/waffle as well, right? Currently, it's written for truffle/web3

[viarnes]

I worked on two different branches (replace-truffle-web3-with-waffle-ethers and replace-truffle-web3-with-waffle-ethers-full-doc) due to a misunderstood but ended up merging them into the first one.

[fzeoli]

this is weird. If compile is running twice because the script is calling it then we should just remove that line

[viarnes]

I wouldn't remove bre.run('compile') because it's used as example on how to use Buidler as a library making the script standalone. Maybe we could pick another task instead of compile to use in the sample script.

I honestly prefer compile + the ::: tip :::.

[fzeoli]

I see that, but invoking the compile task to yield two compilations and then tell the user to use the --no-compile arg to undo our compile call by disabling the default behavior of compiling is just really convoluted.

@alcuadrado any thoughts?

[alcuadrado]

Why not just leave the bre.run as a comment?

[alcuadrado]

It works as an explanation and doesn't do the double compilation thing.

[fzeoli]

because the line is needed for the standalone script. Let's do this

• leave the call to bre.run in and simply add a step to comment it out before running the script through Buidler, explaining that that's not needed when running scripts through buidler
• remove the tip block

[viarnes]

I removed the tip block but left the call to bre.run commented because the script is also mentioned on the Getting Started section. Also added a step to uncomment this line out to explain how to manually compile.