adding fetching and saving an entire book

internal/models/yaml.go

@@ -1,12 +1,17 @@
 package models
 
-type yaml struct {
-	Strophes []struct {
-		Lines []struct {
-			Verse   int    `yaml:"verse"`
-			Tet   string `yaml:"text"`
-			Who string `yaml:"who"`
-			To  string `yaml:"to"`
-		} `yaml:"lines"`
-	} `yaml:"strophes"`
+type Yaml struct {
+	Strophes []Strophe  `yaml:"strophes"`
 }
+
+type Strophe struct {
+	Lines []Line  `yaml:"lines"`
+}
+
+type Line struct {
+	Verse   int    `yaml:"verse"`
+	Text   string `yaml:"text"`
+	Who string `yaml:"who"`
+	To  string `yaml:"to"`
+	Of  string `yaml:"Of"`
+}