feat(#2): optionally, do not proxy url(s)

If the user provides a `Capybara.yaml` with the `capybara.keep_gemini`
key, do not proxy the provided values (URLs).

Also implements a rudimentary configuration system for future extension.

Thanks, @WellsBit!

1 files changed, 1 insertions, 0 deletions

diff --git a/go.mod b/go.mod
index 2b3341a..0f1fe40 100644
--- a/go.mod
+++ b/go.mod
@@ -5,4 +5,5 @@ go 1.15
 require (
 	git.sr.ht/~adnano/go-gemini v0.1.17
 	git.sr.ht/~sircmpwn/getopt v0.0.0-20191230200459-23622cc906b3
+	github.com/spf13/viper v1.10.1
 )