chore: add tslint

chore: add standard license

chore: add npmignore

chore: initial package config

docs: initial README

chore: create initial structure

chore: adds traces to Application.use method itself (on instantiation)

feat: traces for app.use

chore: update typescript version

chore: return original layer result

chore: remove app.use span based on design

chore: refactor span attribute assignments into util

chore: add router types

feat: added tracing for koa-router functions and routes

feat: don't create koa spans without root span

feat: added base tests for Koa core and Koa router

chore: finalizing plugin

feat: added kLayerPatched check

test: creating example code for Koa plugin

chore: cleaning up code

chore: update README

chore: update README

chore: update README

chore: add async middleware tests

chore: improve sample code

Add files via upload

Add files via upload

Add files via upload

chore: add jaeger example

Add files via upload

chore: add linter to example code

chore: rename plugin to instrumentation

chore: cleaning tests/examples

Add files via upload

Add files via upload

chore: fix async example code and span timing

chore: refine test style

docs: add comments to plugin patching operations

chore: file cleanup

chore: fix code style

Co-authored-by: Daniel Dyla <dyladan@users.noreply.github.com>

…try-js-contrib into master

…try-js-contrib into master

…try-js-contrib