Add shinyapps.io deployment instructions so I remember how.

README.md

@@ -3,10 +3,22 @@ R functions for single-entry-ish bookkeeping reports.
 
 Work in progress.
 
-##Input format
+## Input format
 
 Uses Google Sheets for data entry, R for reporting and analysis.
 
 |Date|Ref No.|Payee|Memo|Class|Debit|Credit|Bank|Reconciliation Status|Balance|Type|Account|
 |--- |---    |---  |--- |---  |---  |---   |--- |---                  |---    |--- |---    | 
 
+## Deployment to shinyapps.io
+
+Authorize your computer (run once):   
+`install.packages('rsconnect')`  
+`library(rsconnect)`  
+`rsconnect::setAccountInfo(name='<USERNAME>',
+			  token='<TOKEN>',
+			  secret='<SECRET>')`
+
+
+Deploy from project root (run to update)  
+`deployApp()`