module: add go.mod and go.sum

Author: zchee

go.mod

@@ -0,0 +1,6 @@
+module github.com/go-language-server/jsonrpc2
+
+require (
+	github.com/francoispqt/gojay v0.0.0-20190228132548-90d953358b68
+	github.com/stretchr/testify v1.3.0 // indirect
+)

go.sum

@@ -0,0 +1,9 @@
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/francoispqt/gojay v0.0.0-20190228132548-90d953358b68 h1:WgG3zxKl8v+HIH9U3pUdrx5+3R+C/3AJYUvsxHYZveU=
+github.com/francoispqt/gojay v0.0.0-20190228132548-90d953358b68/go.mod h1:H8Wgri1Asi1VevY3ySdpIK5+KCpqzToVswNq8g2xZj4=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=