Add opt-in anonymous stats reporting (#2249)

* Initial phone home stats queries

* Add userAgent to UpdateDeviceLastSeen
Add new Table for tracking daily user vists

* Add user_daily_visits table

* Fix queries

* userapi stats tables & queries

* userapi interface and internal api

* sycnapi stats queries

* testing phone home stats

* Add complete config to syncapi

* add missing files

* Fix queries

* Send empty request

* Add version & monolith stats

* Add configuration for phone home stats

* Move WASM to its own file, add config and comments

* Add tracing methods

* Add total rooms

* Add more fields, actually send data somewhere

* Move stats to the userapi

* Move phone home stats to util package

* Cleanup

* Linter & parts of GH comments

* More GH comments changes
- Move comments to SQL statements
- Shrink interface, add struct for stats
- No fatal errors, use defaults

* Be more explicit when querying

* Fix wrong calculation & wrong query params
Add tests

* Add Windows stats

* ADd build constraint

* Use new testing structure
Fix issues with getting values when using SQLite
Fix wrong AddDate value
Export UpdateUserDailyVisits

* Fix query params

* Fix test

* Add comment about countR30UsersSQL and countR30UsersV2SQL; fix test

* Update config

* Also update example config file

* Use OS level proxy, update logging

Co-authored-by: kegsay <kegan@matrix.org>

userapi/storage/storage_test.go

@@ -174,7 +174,7 @@ func Test_Devices(t *testing.T) {
 		newName := "new display name"
 		err = db.UpdateDevice(ctx, localpart, deviceWithID.ID, &newName)
 		assert.NoError(t, err, "unable to update device displayname")
-		err = db.UpdateDeviceLastSeen(ctx, localpart, deviceWithID.ID, "127.0.0.1")
+		err = db.UpdateDeviceLastSeen(ctx, localpart, deviceWithID.ID, "127.0.0.1", "Element Web")
 		assert.NoError(t, err, "unable to update device last seen")
 
 		deviceWithID.DisplayName = newName