Add first version of gemini-grc.

uid/uid.go

@@ -0,0 +1,14 @@
+package uid
+
+import (
+	nanoid "github.com/matoous/go-nanoid/v2"
+)
+
+func UID() string {
+	// No 'o','O' and 'l'
+	id, err := nanoid.Generate("abcdefghijkmnpqrstuvwxyzABCDEFGHIJKLMNPQRSTUVWXYZ0123456789", 20)
+	if err != nil {
+		panic(err)
+	}
+	return id
+}