feat: add inline and block runner. Improve execution error handling

examples/ledger.j

@@ -0,0 +1,72 @@
+; -*- ledger -*-
+; This example file retrived from ledger-cli.org example journal file
+; https://ledger-cli.org/doc/ledger3.html#Example-Journal-File
+
+= /^Income/
+  (Liabilities:Tithe)                    0.12
+
+~ Monthly
+  Assets:Checking                     $500.00
+  Income:Salary
+
+~ Monthly
+   Expenses:Food  $100
+   Assets
+
+2010/12/01 * Checking balance
+  Assets:Checking                   $1,000.00
+  Equity:Opening Balances
+
+2010/12/20 * Organic Co-op
+  Expenses:Food:Groceries             $ 37.50  ; [=2011/01/01]
+  Expenses:Food:Groceries             $ 37.50  ; [=2011/02/01]
+  Expenses:Food:Groceries             $ 37.50  ; [=2011/03/01]
+  Expenses:Food:Groceries             $ 37.50  ; [=2011/04/01]
+  Expenses:Food:Groceries             $ 37.50  ; [=2011/05/01]
+  Expenses:Food:Groceries             $ 37.50  ; [=2011/06/01]
+  Assets:Checking                   $ -225.00
+
+2010/12/28=2011/01/01 Acme Mortgage
+  Liabilities:Mortgage:Principal    $  200.00
+  Expenses:Interest:Mortgage        $  500.00
+  Expenses:Escrow                   $  300.00
+  Assets:Checking                  $ -1000.00
+
+2011/01/02 Grocery Store
+  Expenses:Food:Groceries             $ 65.00
+  Assets:Checking
+
+2011/01/05 Employer
+  Assets:Checking                   $ 2000.00
+  Income:Salary
+
+2011/01/14 Bank
+  ; Regular monthly savings transfer
+  Assets:Savings                     $ 300.00
+  Assets:Checking
+
+2011/01/19 Grocery Store
+  Expenses:Food:Groceries             $ 44.00  ; hastag: not block
+  Assets:Checking
+
+2011/01/25 Bank
+  ; Transfer to cover car purchase
+  Assets:Checking                  $ 5,500.00
+  Assets:Savings
+  ; :nobudget:
+
+apply tag hastag: true
+apply tag nestedtag: true
+2011/01/25 Tom's Used Cars
+  Expenses:Auto                    $ 5,500.00
+  ; :nobudget:
+  Assets:Checking
+
+2011/01/27 Book Store
+  Expenses:Books                       $20.00
+  Liabilities:MasterCard
+end tag
+2011/12/01 Sale
+  Assets:Checking:Business            $ 30.00
+  Income:Sales
+end tag