lint: Allow shebang_rules to use `include_only/exclude`.
lint: Allow shebang_rules to use `include_only/exclude`.

Make shebang rules generic to be later extracted out of the
`custom_check_file` function.

timabbott/zulip,kou/zulip,andersk/zulip,hackerkid/zulip,zulip/zulip,synicalsyntax/zulip,kou/zulip,brainwane/zulip,andersk/zulip,shubhamdhama/zulip,rishig/zulip,shubhamdhama/zulip,punchagan/zulip,shubhamdhama/zulip,synicalsyntax/zulip,rht/zulip,timabbott/zulip,kou/zulip,tommyip/zulip,tommyip/zulip,kou/zulip,rishig/zulip,zulip/zulip,punchagan/zulip,showell/zulip,eeshangarg/zulip,kou/zulip,punchagan/zulip,zulip/zulip,rht/zulip,showell/zulip,shubhamdhama/zulip,shubhamdhama/zulip,rishig/zulip,rht/zulip,eeshangarg/zulip,eeshangarg/zulip,kou/zulip,andersk/zulip,showell/zulip,andersk/zulip,tommyip/zulip,tommyip/zulip,brainwane/zulip,zulip/zulip,tommyip/zulip,zulip/zulip,synicalsyntax/zulip,rht/zulip,timabbott/zulip,hackerkid/zulip,timabbott/zulip,timabbott/zulip,rht/zulip,eeshangarg/zulip,rishig/zulip,brainwane/zulip,synicalsyntax/zulip,andersk/zulip,synicalsyntax/zulip,showell/zulip,punchagan/zulip,tommyip/zulip,andersk/zulip,eeshangarg/zulip,timabbott/zulip,shubhamdhama/zulip,eeshangarg/zulip,hackerkid/zulip,showell/zulip,showell/zulip,tommyip/zulip,punchagan/zulip,rishig/zulip,rishig/zulip,showell/zulip,brainwane/zulip,synicalsyntax/zulip,brainwane/zulip,brainwane/zulip,andersk/zulip,hackerkid/zulip,punchagan/zulip,kou/zulip,rht/zulip,hackerkid/zulip,timabbott/zulip,rht/zulip,rishig/zulip,synicalsyntax/zulip,eeshangarg/zulip,punchagan/zulip,hackerkid/zulip,shubhamdhama/zulip,hackerkid/zulip,zulip/zulip,zulip/zulip,brainwane/zulip