[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>

web/source/settings/index.js

@@ -60,7 +60,10 @@ const { Sidebar, ViewRouter } = createNavigation("/settings", [
 			Item("Local", { icon: "fa-home", wildcard: true }, require("./admin/emoji/local")),
 			Item("Remote", { icon: "fa-cloud" }, require("./admin/emoji/remote"))
 		]),
-		Item("Settings", { icon: "fa-sliders" }, require("./admin/settings"))
+		Menu("Settings", { icon: "fa-sliders" }, [
+			Item("Settings", { icon: "fa-sliders", url: "" }, require("./admin/settings")),
+			Item("Rules", { icon: "fa-dot-circle-o", wildcard: true }, require("./admin/settings/rules"))
+		])
 	])
 ]);