feat(installer): add .lic license file initialization step during installation on Windows and Linux

compilation/installer_server.iss

@@ -51,6 +51,7 @@ Type: filesandordirs; Name: "{commonappdata}\LOGAR-Server"
 [Code]
 var
   DataDirPage: TInputDirWizardPage;
+  LicFilePage: TInputFileWizardPage;
 
 procedure InitializeWizard;
 begin
@@ -65,6 +66,15 @@ begin
   );
   DataDirPage.Add('Data Directory:');
   DataDirPage.Values[0] := ExpandConstant('{commonappdata}\LOGAR-Server');
+
+  LicFilePage := CreateInputFilePage(
+    DataDirPage.ID,
+    'Enterprise License Activation (Optional)',
+    'Do you have an activated .lic license file to import during installation?',
+    'Select your signed .lic file to activate the server immediately.'#13#10#13#10 +
+    'You can also leave this blank to initialize with a default evaluation license and activate later via the web dashboard.'
+  );
+  LicFilePage.Add('License File (.lic):', 'License Files (*.lic)|*.lic|All Files (*.*)|*.*', '.lic');
 end;
 
 function GetDataDir(Param: String): String;
@@ -74,11 +84,32 @@ begin
     Result := ExpandConstant('{commonappdata}\LOGAR-Server');
 end;
 
+function GetLicFile(Param: String): String;
+begin
+  Result := LicFilePage.Values[0];
+end;
+
 procedure CurStepChanged(CurStep: TSetupStep);
+var
+  LicPath: String;
+  ResultCode: Integer;
 begin
   if CurStep = ssPostInstall then
   begin
     RegWriteStringValue(HKEY_LOCAL_MACHINE, 'Software\LOGAR\LOGAR-Server', 'DataDir', GetDataDir(''));
+
+    LicPath := GetLicFile('');
+    if (LicPath <> '') and FileExists(LicPath) then
+    begin
+      Exec(
+        ExpandConstant('{app}\Server.exe'),
+        '--config "' + GetDataDir('') + '\server_config.json" --import-lic "' + LicPath + '"',
+        ExpandConstant('{app}'),
+        SW_HIDE,
+        ewWaitUntilTerminated,
+        ResultCode
+      );
+    end;
   end;
 end;