Fix Grammatical Errors + Add List Of Known SQL Injection Strings

[FlipMods]

This PR covers issue #.

• [ ] This PR handles the issue and requires no additional PRs.
• [ ] You have validated the need for this change.

What did this PR accomplish?

• Point 1
• Point 2

Thank you for your contribution!

[github-actions[bot]]

The following issues were identified: document/4-Web_Application_Security_Testing/07-Input_Validation_Testing/05-Testing_for_SQL_Injection.md:833 MD022/blanks-around-headings/blanks-around-headers Headings should be surrounded by blank lines [Expected: 1; Actual: 0; Below] [Context: "## List Of Known SQL Injections"] document/4-Web_Application_Security_Testing/07-Input_Validation_Testing/05-Testing_for_SQL_Injection.md:834 MD022/blanks-around-headings/blanks-around-headers Headings should be surrounded by blank lines [Expected: 1; Actual: 0; Above] [Context: "### Disclaimer:"] document/4-Web_Application_Security_Testing/07-Input_Validation_Testing/05-Testing_for_SQL_Injection.md:834 MD022/blanks-around-headings/blanks-around-headers Headings should be surrounded by blank lines [Expected: 1; Actual: 0; Below] [Context: "### Disclaimer:"] document/4-Web_Application_Security_Testing/07-Input_Validation_Testing/05-Testing_for_SQL_Injection.md:834:15 MD026/no-trailing-punctuation Trailing punctuation in heading [Punctuation: ':'] document/4-Web_Application_Security_Testing/07-Input_Validation_Testing/05-Testing_for_SQL_Injection.md:835 MD032/blanks-around-lists Lists should be surrounded by blank lines [Context: "- We are not liable for any cy..."]

[github-actions[bot]]

The following mistakes were identified:

/home/runner/work/wstg/wstg/document/4-Web_Application_Security_Testing/07-Input_Validation_Testing/05-Testing_for_SQL_Injection.md 9:83 ✖ Incorrect usage of the term: “website”, use “site” instead terminology

[github-actions[bot]]

The following links are broken: FILE:document/4-Web_Application_Security_Testing/07-Input_Validation_Testing/05-Testing_for_SQL_Injection.md [✖] https://www.cgisecurity.com/lib/more_advanced_sql_injection.pdf → Status: 403