Feature/adc/#50 users settings route (#89)

* #50 - migration 20221023123919_ + route settings

* #50 - migration 20221023123919_ + route settings

* #50 - settings creation at user creation + update migration

* changed settings acces from by id to userId

* deleting the user results in deleting it's associated userSettings row

* pr fixes + robot tests + other minor fixes

* removed useless comments

* added settings endpoint to /auth/me and automated creation to /register

* clean code before merge

back/test/robot/settings/settings.robot

@@ -0,0 +1,27 @@
+*** Settings ***
+Documentation       Tests of the /settings route.
+...                 Ensures that the settings CRUD works corectly as well as the automation with the user creation.
+
+Resource            ../rest.resource
+Resource            ../auth/auth.resource
+
+
+*** Test Cases ***
+Get settings
+    [Documentation]    Create a user and get associated settings
+    ${userID}=    RegisterLogin    2na-min-faranssa-wa-2na-adrus-allu3'at-al3rabia
+    &{get}=    GET    /auth/me/settings/
+    Output
+    Should Be True    ${get.body.emailNotification}
+    Integer    response status    200
+    [Teardown]    DELETE    /users/${userID}
+
+Patch settingspushNotification
+    ${userID}=    RegisterLogin    2na-min-faranssa-wa-2na-adrus-allu3'at-al3rabia
+    &{patch}=    PATCH
+    ...    /auth/me/settings/
+    ...    {"pushNotification": true, "emailNotification": true, "trainingNotification": true, "newSongNotification": true, "recommendations": true, "weeklyReport": true, "leaderBoard": false, "showActivity": true}
+    Output
+    Should Not Be True    ${patch.body.leaderBoard}
+    Integer    response status    200
+    [Teardown]    DELETE    /users/${userID}