doc: add escaping special characters note

[jmtaylor90]

Signed-off-by: jason taylor jtfas90@gmail.com

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Link to redmine ticket:

Describe changes:

• Add note about need to escape special characters in configuration files if they need to be evaluated literally

[jmtaylor90]

Is this something that you all are interested in reviewing/merging or shall I close it? @jasonish

[jasonish]

Is this something that you all are interested in reviewing/merging or shall I close it? @jasonish

Its worthy of documenting. I wonder if it should be more than a note with an example or 2.

[jmtaylor90]

Is this something that you all are interested in reviewing/merging or shall I close it? @jasonish

Its worthy of documenting. I wonder if it should be more than a note with an example or 2.

Okay, will update with some examples. Thanks!