take JS out of HTML, fix transactions chart, add apipayments.time.

LNbits/helpers.py

@@ -0,0 +1,16 @@
+import json
+import sqlite3
+
+
+class MegaEncoder(json.JSONEncoder):
+    def default(self, o):
+        if type(o) == sqlite3.Row:
+            val = {}
+            for k in o.keys():
+                val[k] = o[k]
+            return val
+        return o
+
+
+def megajson(o):
+    return json.dumps(o, cls=MegaEncoder)