Proto commits in neoeinstein/protoc-gen-prost

These 8 commits are when the Protocol Buffers files have changed:

Commit:fbe8c6b
Author:Marcus Griep
Committer:Marcus Griep

feat: generate descriptor set for Google well-known types Closes #4

The documentation is generated from this commit.

Commit:d13b2af
Author:Marcus Griep
Committer:Marcus Griep

docs: add build-with-buf example

Commit:a0bbcd1
Author:Marcus Griep

docs: fix up the playground

Commit:c919afc
Author:Marcus Griep

chore: add test service into proto

Commit:23b910a
Author:Marcus Griep

refactor: improve include_file code gen

Commit:e0b6319
Author:Marcus Griep

feat: the rest of the owl

Commit:f67553b
Author:Marcus Griep

test: add well-known type

Commit:ed19099
Author:Marcus Griep

feat: implement basic prost options handling