- HomeController.ts: addes api method for showing number of publications per month for given year

- adapted command ValidateChecksum.ts: on published files are checked. better information logging
- better LineChart.vue component: showing real statistics
- start/routes/apu.ts: added Route.get('/statistic/:year', 'HomeController.findPublicationsPerMonth');

start/routes/api.ts

@@ -16,6 +16,7 @@ Route.group(() => {
         Route.get('/dataset/:publish_id', 'DatasetController.findOne').as('dataset.findOne');
         Route.get('/sitelinks/:year', 'HomeController.findDocumentsPerYear');
         Route.get('/years', 'HomeController.findYears');
+        Route.get('/statistic/:year', 'HomeController.findPublicationsPerMonth');
 
         Route.get('/download/:id', 'FileController.findOne').as('file.findOne');