[feature] Instance rules (#2125)

* init instance rules database model, admin api

* expose instance rules in public instance api

* public /api/v1/instance/rules route

* GET ruleById

* createRule route

* createRule auth check

* updateRule

* deleteRule

* list rules on about page

* ruleGet auth

* add about page ids for anchors

* process and store adding violated rules to reports

* admin api models for instance rules

* instance rule edit frontend

* change rule inputs to textareas

* database fixes after rebase (#2124)

* remove unused imports

* fix db migration column name

* fix tests

* fix more tests

* fix postgres error with wrongly used Ident

* add some tests, fiddle with rule model a bit, fix postgres migration

* swagger docs

---------

Co-authored-by: tsmethurst <tobi.smethurst@protonmail.com>

internal/db/bundb/bundb.go

@@ -72,6 +72,7 @@ type DBService struct {
 	db.Notification
 	db.Relationship
 	db.Report
+	db.Rule
 	db.Search
 	db.Session
 	db.Status
@@ -216,6 +217,10 @@ func NewBunDBService(ctx context.Context, state *state.State) (db.DB, error) {
 			db:    db,
 			state: state,
 		},
+		Rule: &ruleDB{
+			db:    db,
+			state: state,
+		},
 		Search: &searchDB{
 			db:    db,
 			state: state,