fix: update dependencies installation (#3)

update alpine, reviewdog, add python3-dev and build-base (#2)

see if highlighting the end line is better

restore tool name argument

improve example in the readme

add severity

jq raw output

remove screenshots from readme

derp

try out super basic semgrep output parsing

add a brief description to the readme

remove name and format reviewdog params

add pip to dockerfile

fix semgrep command

update tests