add docs on How to get TON testnet tokens

[fakela]

Closes #588

[github-actions]

To fix the formatting issues:

1. Install necessary dependencies: npm ci
2. Then, run this command:

npx remark -o --quiet --silently-ignore ecosystem/wallet-apps/testnet-tokens.mdx 

[github-actions]

To fix the formatting issues:

1. Install necessary dependencies: npm ci
2. Then, run this command:

npx remark -o --quiet --silently-ignore ecosystem/wallet-apps/testnet-tokens.mdx 

[github-actions]

Thanks for the focused docs update to the wallet-apps content. I don’t see any issues that require changes at this time.

[anton-trunov]

@fakela you need to use "closes #588" or "fixes #588" in the PR description to make the connection between the PR and the issue it resolves

[github-actions]

To fix the formatting issues:

1. Install necessary dependencies: npm ci
2. Then, run this command:

npx remark -o --silent --silently-ignore ecosystem/wallet-apps/testnet-tokens.mdx 

[github-actions]

To fix the formatting issues:

1. Install necessary dependencies: npm ci
2. Then, run this command:

npx remark -o --silent --silently-ignore ecosystem/wallet-apps/testnet-tokens.mdx 

[github-actions]

To fix the formatting issues:

1. Install necessary dependencies: npm ci
2. Then, run this command:

npx remark -o --silent --silently-ignore ecosystem/wallet-apps/testnet-tokens.mdx 

[github-actions]

To fix the formatting issues:

1. Install necessary dependencies: npm ci
2. Then, run this command:

npx remark -o --silent --silently-ignore ecosystem/wallet-apps/testnet-tokens.mdx 

[github-actions]

To fix the formatting issues:

1. Install necessary dependencies: npm ci
2. Then, run this command:

npx remark -o --silent --silently-ignore ecosystem/wallet-apps/testnet-tokens.mdx 

[github-actions]

To fix the formatting issues:

1. Install necessary dependencies: npm ci
2. Then, run this command:

npx remark -o --silent --silently-ignore guidebook/testnet-tokens.mdx 

[anton-trunov]

Please resolve the merge conflicts

[github-actions]

To fix the formatting issues:

1. Install necessary dependencies: npm ci
2. Then, run this command:

npx remark -o --silent --silently-ignore contract-dev/testing/testnet-tokens.mdx 

[aigerimu]

/review

[github-actions]

Thanks for the PR. In contract-dev/testing/testnet-tokens.mdx, I have a couple of suggestions; please apply the inline suggestions.

[aigerimu]

/review

[github-actions]

Thanks for the changes—contract-dev/testing/testnet-tokens.mdx: a couple of suggestions; please apply the inline suggestions.