Add default ledger & queries to archetypes

archetypes/ledger.txt

@@ -0,0 +1,13 @@
+account assets
+account liabilities
+account income
+account expenses
+account equity
+account assets:savings
+    alias savings
+account assets:checking
+    alias checking
+account expenses:cash
+    alias cash
+account expenses:food
+    alias food

archetypes/queries.txt

@@ -0,0 +1,5 @@
+資產餘額:b assets
+本月開支:b -b "this month"
+上月開支:b -b "last month" -e "this month"
+記錄列表:r
+過去七天:r -b "last 7 days"