Show selected filters on top

What's Changed

• Check filter selected and show selected items on top by @Letrab in #40
• Also show on top if multiple filters are selected. by @Letrab in #41
• Correct link for React demo by @Letrab in #42
• Add option to remove stemmer and/or stopWordFilter of lunr. by @Letrab in #43
• Do exact string match for filters when data is a string. by @Letrab in #45
• Bump elliptic from 6.4.1 to 6.5.3 by @dependabot in #50
• Bump lodash from 4.17.10 to 4.17.19 by @dependabot in #49
• Bump acorn from 5.7.2 to 5.7.4 by @dependabot in #48
• add badges + MAJ CDN by @noraj in #55
• markdown lint by @noraj in #57
• add gulp example by @noraj in #56

New Contributors

• @Letrab made their first contribution in #40
• @dependabot made their first contribution in #50
• @noraj made their first contribution in #55

Full Changelog: v1.0.42...v1.0.49