first commit: one-api base code + SAAS plan document

relay/adaptor/cohere/constant.go

@@ -0,0 +1,14 @@
+package cohere
+
+var ModelList = []string{
+	"command", "command-nightly",
+	"command-light", "command-light-nightly",
+	"command-r", "command-r-plus",
+}
+
+func init() {
+	num := len(ModelList)
+	for i := 0; i < num; i++ {
+		ModelList = append(ModelList, ModelList[i]+"-internet")
+	}
+}