[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/lib/query/base.js

@@ -59,7 +59,7 @@ function instanceBasedQuery(args, api, extraOptions) {
 module.exports = createApi({
 	reducerPath: "api",
 	baseQuery: instanceBasedQuery,
-	tagTypes: ["Auth", "Emoji", "Reports", "Account"],
+	tagTypes: ["Auth", "Emoji", "Reports", "Account", "InstanceRules"],
 	endpoints: (build) => ({
 		instance: build.query({
 			query: () => ({