data: bank-statement and tax-statement are link metadata.

Not including them earlier was an oversight.

conservancy_beancount/data.py

@@ -56,6 +56,7 @@ DecimalCompat = Union[decimal.Decimal, int]
 
 LINK_METADATA = frozenset([
     'approval',
+    'bank-statement',
     'check',
     'contract',
     'invoice',
@@ -63,6 +64,7 @@ LINK_METADATA = frozenset([
     'receipt',
     'rt-id',
     'statement',
+    'tax-statement',
 ])
 
 class Account(str):

tests/test_meta_repo_links.py

@@ -27,12 +27,14 @@ from conservancy_beancount.plugin import meta_repo_links
 
 METADATA_KEYS = [
     'approval',
+    'bank-statement',
     'check',
     'contract',
     'invoice',
     'purchase-order',
     'receipt',
     'statement',
+    'tax-statement',
 ]
 
 GOOD_LINKS = [Path(s) for s in [

tests/test_meta_rt_links.py

@@ -25,6 +25,7 @@ from conservancy_beancount.plugin import meta_rt_links
 
 METADATA_KEYS = [
     'approval',
+    'bank-statement',
     'check',
     'contract',
     'invoice',
@@ -32,6 +33,7 @@ METADATA_KEYS = [
     'receipt',
     'rt-id',
     'statement',
+    'tax-statement',
 ]
 
 GOOD_LINKS = [