Initial structure

internal/oauth2/oauth.go

@@ -0,0 +1,20 @@
+package oauth
+
+import (
+	"net/http"
+	"os"
+
+	"golang.org/x/oauth2"
+
+	"golang.org/x/oauth2/clientcredentials"
+)
+
+func GetClient() *http.Client {
+	config := &clientcredentials.Config{
+		ClientID:     os.Getenv("TWITTER_API_KEY"),
+		ClientSecret: os.Getenv("TWITTER_API_SECRET_KEY"),
+		TokenURL:     "https://api.twitter.com/oauth2/token",
+	}
+
+	return config.Client(oauth2.NoContext)
+}