refactor: new structure and build

Remove semicolons, add unified coding style, indent with 2 space,
setup browserify (shim) and build commands
chore: add dev task
chore: create build folder
refactor: extract runFilter
chore: fix dev task
fix: image dimension
fix: indention, remove: unused code
refactor: use jquery
fix: head tag
beautify html
fix: typo
fix whitespace