feat(knowledge): add FAQ Excel import export

go.mod

@@ -28,6 +28,7 @@ require (
 	github.com/silenceper/wechat/v2 v2.1.12
 	github.com/spf13/cast v1.6.0
 	github.com/wk8/go-ordered-map/v2 v2.1.8
+	github.com/xuri/excelize/v2 v2.10.1
 	github.com/yuin/goldmark v1.4.13
 	golang.org/x/crypto v0.49.0
 	golang.org/x/net v0.51.0
@@ -86,6 +87,8 @@ require (
 	github.com/quic-go/qpack v0.6.0 // indirect
 	github.com/quic-go/quic-go v0.59.0 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	github.com/richardlehane/mscfb v1.0.6 // indirect
+	github.com/richardlehane/msoleps v1.0.6 // indirect
 	github.com/segmentio/asm v1.2.1 // indirect
 	github.com/segmentio/encoding v0.5.4 // indirect
 	github.com/sirupsen/logrus v1.9.4 // indirect
@@ -94,8 +97,11 @@ require (
 	github.com/tidwall/match v1.1.1 // indirect
 	github.com/tidwall/pretty v1.2.1 // indirect
 	github.com/tidwall/sjson v1.2.5 // indirect
+	github.com/tiendc/go-deepcopy v1.7.2 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.3.1 // indirect
+	github.com/xuri/efp v0.0.1 // indirect
+	github.com/xuri/nfp v0.0.2-0.20250530014748-2ddeb826f9a9 // indirect
 	github.com/yargevad/filepathx v1.0.0 // indirect
 	github.com/yosida95/uritemplate/v3 v3.0.2 // indirect
 	go.mongodb.org/mongo-driver/v2 v2.5.0 // indirect