#338 - first implementation for adding templates from scratch (normal transactions)

...eadlocker8/budgetmaster/templates/TemplateController.java

...e/deadlocker8/budgetmaster/templates/TemplateService.java

...deadlocker8/budgetmaster/templates/TemplateValidator.java

src/main/resources/languages/_de.properties

src/main/resources/languages/_en.properties

src/main/resources/templates/templates/newTemplate.ftl

src/main/resources/templates/templates/templateFunctions.ftl

...resources/templates/transactions/newTransactionMacros.ftl

...resources/templates/transactions/newTransactionNormal.ftl

...sources/templates/transactions/newTransactionTransfer.ftl