fix: support multiline comments and escape characters

[QrackyDev]

Overview

This pull request adds support for multiline comments and escape characters. If you wish for changes, let me know!

Changes

Before

With a multiline comment:

Code:

@YamlComment("""
        Testing
        multiline
""")
    val debug: Boolean = false

Output:

# 
        Testing
        multiline
    
debug: false

With escape characters:

Code:

@YamlComment("Cool\nint")
    val myInt: Int = 73

Output:

# Cool
int
myInt: 73

After

With a multiline comment:

Code:

@YamlComment("""
        Testing
        multiline
""")
val debug: Boolean = false

Output:

# Testing
# multiline
debug: false

With escape characters:

Code:

@YamlComment("Cool\nint")
val myInt: Int = 73

Output:

# Cool
# int
myInt:73