[feature] Hashtag federation (in/out), hashtag client API endpoints (#2032)

* update go-fed

* do the things

* remove unused columns from tags

* update to latest lingo from main

* further tag shenanigans

* serve stub page at tag endpoint

* we did it lads

* tests, oh tests, ohhh tests, oh tests (doo doo doo doo)

* swagger docs

* document hashtag usage + federation

* instanceGet

* don't bother parsing tag href

* rename whereStartsWith -> whereStartsLike

* remove GetOrCreateTag

* dont cache status tag timelineability

internal/api/client/timelines/home.go

@@ -133,9 +133,9 @@ func (m *Module) HomeTimelineGETHandler(c *gin.Context) {
 	resp, errWithCode := m.processor.Timeline().HomeTimelineGet(
 		c.Request.Context(),
 		authed,
-		c.Query(MaxIDKey),
-		c.Query(SinceIDKey),
-		c.Query(MinIDKey),
+		c.Query(apiutil.MaxIDKey),
+		c.Query(apiutil.SinceIDKey),
+		c.Query(apiutil.MinIDKey),
 		limit,
 		local,
 	)