Refactoring to use internal packages

internal/models/templatedata.go

@@ -0,0 +1,13 @@
+package models
+
+// TemplateData holds data sent from handlers to templates
+type TemplateData struct {
+	StringMap map[string]string
+	IntMap    map[string]int
+	FloatMap  map[string]float32
+	Data      map[string]interface{}
+	CSRFToken string
+	Flash     string
+	Warning   string
+	Error     string
+}