Add doc note to `_.includes` about string values. [ci skip]
Add doc note to `_.includes` about string values. [ci skip]

msmorgan/lodash,beaugunderson/lodash,boneskull/lodash,steelsojka/lodash,rlugojr/lodash,rlugojr/lodash,tonyonodi/lodash,tonyonodi/lodash,boneskull/lodash,msmorgan/lodash,steelsojka/lodash,beaugunderson/lodash