feat(Insights): add anonymous usage data collection (#3543)

* feat(insights): initial code (WIP)

* feat(insights): add more info

* feat(insights): add fs info

* feat(insights): export insights.Data

Signed-off-by: Deluan <deluan@navidrome.org>

* feat(insights): more config info

Signed-off-by: Deluan <deluan@navidrome.org>

* refactor(insights): move data struct to its own package

Signed-off-by: Deluan <deluan@navidrome.org>

* refactor(insights): omit some attrs if empty

Signed-off-by: Deluan <deluan@navidrome.org>

* feat(insights): send insights to server, add option to disable

Signed-off-by: Deluan <deluan@navidrome.org>

* fix(insights): remove info about anonymous login

Signed-off-by: Deluan <deluan@navidrome.org>

* chore(insights): fix lint

Signed-off-by: Deluan <deluan@navidrome.org>

* fix(insights): disable collector if EnableExternalServices is false

Signed-off-by: Deluan <deluan@navidrome.org>

* fix(insights): fix type casting for 32bit platforms

Signed-off-by: Deluan <deluan@navidrome.org>

* fix(insights): remove EnableExternalServices from the collection (as it will always be false)

Signed-off-by: Deluan <deluan@navidrome.org>

* chore(insights): fix lint

Signed-off-by: Deluan <deluan@navidrome.org>

* refactor(insights): rename function for consistency

Signed-off-by: Deluan <deluan@navidrome.org>

* feat(insights): log the data sent to the collector server

Signed-off-by: Deluan <deluan@navidrome.org>

* feat(insights): add last collection timestamp to the "about" dialog.

Also add opt-out info to the SignUp form

Signed-off-by: Deluan <deluan@navidrome.org>

* feat(insights): only sends the initial data collection after an admin user is created

Signed-off-by: Deluan <deluan@navidrome.org>

* feat(insights): remove dangling comment

Signed-off-by: Deluan <deluan@navidrome.org>

* feat(insights): Translate insights messages

Signed-off-by: Deluan <deluan@navidrome.org>

* fix(insights): reporting empty library

Signed-off-by: Deluan <deluan@navidrome.org>

* refactor: move URL to consts.js

Signed-off-by: Deluan <deluan@navidrome.org>

---------

Signed-off-by: Deluan <deluan@navidrome.org>

ui/src/consts.js

@@ -1,5 +1,8 @@
 export const REST_URL = '/api'
 
+export const INSIGHTS_DOC_URL =
+  'https://navidrome.org/docs/getting-started/insights'
+
 export const M3U_MIME_TYPE = 'audio/x-mpegurl'
 
 export const AUTO_THEME_ID = 'AUTO_THEME_ID'