adding an initial starlette instrumentation.
tox does exact match on fields delimited by a dash. Thus,
any instrumentation that includes "instrumentation" in the name
would collide with testing of the "opentelemetry-instrumentation"
package.
Renaming opentelemetry-instrumentation to opentelemetry-instrumentation-base to fix that.
Co-authored-by: Leighton Chen <lechen@microsoft.com>
Co-authored-by: alrex <aboten@lightstep.com>
Add a test to ensure readmes render properly
Also adds README.rst for testutil package to pass new test.
Co-authored-by: Christian Neumüller <christian+github@neumueller.me>
