Update timeline and database growth charts

rnacentral/portal/templates/portal/about.html

@@ -836,7 +836,28 @@ About RNAcentral
                     },
                     "text": {
                         "headline": "Release 18",
-                        "text": "RNAcentral includes an updated rRNA classification and >22 million RNA secondary structures <br> <a href='{{ blog_url }}'>Release announcement</a>"
+                        "text": "RNAcentral includes an updated rRNA classification and >22 million RNA secondary structures <br> <a href='https://blog.rnacentral.org/2021/06/rnacentral-release-18.html'>Release announcement</a>"
+                    }
+                },
+                {
+                    "media": {
+                        "url": "{% static "img/timeline/release-v19.png" %}",
+                        "caption": "Release 19 features",
+                        "credit": "RNAcentral"
+                    },
+                    "start_date": {
+                        "month": "10",
+                        "day": "18",
+                        "year": "2021"
+                    },
+                    "end_date": {
+                        "month": "10",
+                        "day": "18",
+                        "year": "2021"
+                    },
+                    "text": {
+                        "headline": "Release 19",
+                        "text": "RNAcentral now includes PSICQUIC database as well as CPAT scores for lncRNAs and a major update to GtRNAdb <br> <a href='{{ blog_url }}'>Release announcement</a>"
                     }
                 },
             ]
@@ -978,6 +999,12 @@ About RNAcentral
       'expert_databases': 45,
       'label': 'release 18',
     },
+    {
+      'date': '18-10-21',
+      'sequence_count': 31071596,
+      'expert_databases': 46,
+      'label': 'release 19',
+    },
     // select count(*) from rnc_rna_precomputed rrp where taxid is not null and is_active is true and is_fragment is false;
   ];