478 identify go binaries and extract mod information (#534)

* add query by MIME type to source.FileResolver

Signed-off-by: Alex Goodman <alex.goodman@anchore.com>

* import stereoscope lib changes to find mime type

- add bin cataloger
- add bin parser
- add mime type go utils
- import new resolver

Signed-off-by: Christopher Angelo Phillips <christopher.phillips@anchore.com>

* add go std library code to unpack bin

- keep them in their own (original) files
- add note for "this code was copied from"
- comment the lines the required changing

Signed-off-by: Christopher Angelo Phillips <christopher.phillips@anchore.com>
Co-authored-by: Alex Goodman <alex.goodman@anchore.com>

test/integration/test-fixtures/image-go-bin-arch-coverage/Dockerfile

@@ -0,0 +1,16 @@
+FROM golang:latest as builder
+WORKDIR /app
+COPY go.sum go.mod app.go ./
+
+RUN GOOS=linux go build -o elf .
+RUN GOOS=windows go build -o win .
+RUN GOOS=darwin go build -o macos .
+
+FROM scratch
+
+WORKDIR /tmp
+COPY --from=builder /app/elf /
+COPY --from=builder /app/win /
+COPY --from=builder /app/macos /
+
+ENTRYPOINT ["/elf"]