Refactor core structure and notification UI

Major refactor to centralize QBCore and replace the web UI stack:

- Move QBConfig into a unified QBCore.Config and initialize QBCore.PlayerData; add shared/functions.lua.
- Remove legacy client/main.lua and server/main.lua exports and update fxmanifest to include shared/functions and drop those main scripts.
- Update client event handling: adapt player data events to QBCore:Client:OnPlayerUpdated and trigger job/gang update events; remove deprecated exploitable handlers.
- Web UI rewrite: remove Vue/Quasar dependency and config module; implement a lightweight vanilla JS notification system (html/js/app.js) with updated html and css assets, plus drawtext tweaks.
- CSS overhaul for notification styling and animations; HTML head/meta/font cleanup.
- Server fixes: use QBCore.Shared.Locations in teleport command and strengthen numeric parsing/validation for coords.
- Add .gitattributes for consistent text/eol handling and small code cleanups (thread/comment removal).

These changes consolidate config/shared logic under QBCore, simplify the frontend dependencies, and fix a few parsing/event issues.

server/exports.lua

@@ -3,11 +3,11 @@ local function SetMethod(methodName, handler)
     if type(methodName) ~= 'string' then
         return false, 'invalid_method_name'
     end
-
+    if QBCore.Functions[methodName] ~= nil then
+        return false, 'method_exists'
+    end
     QBCore.Functions[methodName] = handler
-
     TriggerEvent('QBCore:Server:UpdateObject')
-
     return true, 'success'
 end
 
@@ -19,11 +19,11 @@ local function SetField(fieldName, data)
     if type(fieldName) ~= 'string' then
         return false, 'invalid_field_name'
     end
-
+    if QBCore[fieldName] ~= nil then
+        return false, 'field_exists'
+    end
     QBCore[fieldName] = data
-
     TriggerEvent('QBCore:Server:UpdateObject')
-
     return true, 'success'
 end
 
@@ -52,32 +52,16 @@ exports('AddJob', AddJob)
 
 -- Multiple Add Jobs
 local function AddJobs(jobs)
-    local shouldContinue = true
-    local message = 'success'
-    local errorItem = nil
-
     for key, value in pairs(jobs) do
-        if type(key) ~= 'string' then
-            message = 'invalid_job_name'
-            shouldContinue = false
-            errorItem = jobs[key]
-            break
-        end
-
-        if QBCore.Shared.Jobs[key] then
-            message = 'job_exists'
-            shouldContinue = false
-            errorItem = jobs[key]
-            break
-        end
-
+        if type(key) ~= 'string' then return false, 'invalid_job_name', value end
+        if QBCore.Shared.Jobs[key] then return false, 'job_exists', value end
+    end
+    for key, value in pairs(jobs) do
         QBCore.Shared.Jobs[key] = value
     end
-
-    if not shouldContinue then return false, message, errorItem end
     TriggerClientEvent('QBCore:Client:OnSharedUpdateMultiple', -1, 'Jobs', jobs)
     TriggerEvent('QBCore:Server:UpdateObject')
-    return true, message, nil
+    return true, 'success', nil
 end
 
 QBCore.Functions.AddJobs = AddJobs
@@ -162,32 +146,16 @@ exports('UpdateItem', UpdateItem)
 
 -- Multiple Add Items
 local function AddItems(items)
-    local shouldContinue = true
-    local message = 'success'
-    local errorItem = nil
-
     for key, value in pairs(items) do
-        if type(key) ~= 'string' then
-            message = 'invalid_item_name'
-            shouldContinue = false
-            errorItem = items[key]
-            break
-        end
-
-        if QBCore.Shared.Items[key] then
-            message = 'item_exists'
-            shouldContinue = false
-            errorItem = items[key]
-            break
-        end
-
+        if type(key) ~= 'string' then return false, 'invalid_item_name', value end
+        if QBCore.Shared.Items[key] then return false, 'item_exists', value end
+    end
+    for key, value in pairs(items) do
         QBCore.Shared.Items[key] = value
     end
-
-    if not shouldContinue then return false, message, errorItem end
     TriggerClientEvent('QBCore:Client:OnSharedUpdateMultiple', -1, 'Items', items)
     TriggerEvent('QBCore:Server:UpdateObject')
-    return true, message, nil
+    return true, 'success', nil
 end
 
 QBCore.Functions.AddItems = AddItems
@@ -235,32 +203,16 @@ exports('AddGang', AddGang)
 
 -- Multiple Add Gangs
 local function AddGangs(gangs)
-    local shouldContinue = true
-    local message = 'success'
-    local errorItem = nil
-
     for key, value in pairs(gangs) do
-        if type(key) ~= 'string' then
-            message = 'invalid_gang_name'
-            shouldContinue = false
-            errorItem = gangs[key]
-            break
-        end
-
-        if QBCore.Shared.Gangs[key] then
-            message = 'gang_exists'
-            shouldContinue = false
-            errorItem = gangs[key]
-            break
-        end
-
+        if type(key) ~= 'string' then return false, 'invalid_gang_name', value end
+        if QBCore.Shared.Gangs[key] then return false, 'gang_exists', value end
+    end
+    for key, value in pairs(gangs) do
         QBCore.Shared.Gangs[key] = value
     end
-
-    if not shouldContinue then return false, message, errorItem end
     TriggerClientEvent('QBCore:Client:OnSharedUpdateMultiple', -1, 'Gangs', gangs)
     TriggerEvent('QBCore:Server:UpdateObject')
-    return true, message, nil
+    return true, 'success', nil
 end
 
 QBCore.Functions.AddGangs = AddGangs