Several Typo Corrections in Some files

[shail-mehta]

1. In debug/debug-javascript.md file

• Line no 33 nagivate it should be navigate
• Line no 66 instuctions it should be instructions

2. In debug/version-control.md file

• Line no 9 Hostinh it should be Hosting

3. In wordpress/wp-config.md File

• Line no 671 behaviour it should be behavior (The handbook says to use American Spelling)

[shail-mehta]

PR: https://github.com/WordPress/Advanced-administration-handbook/pull/331