Added information to README

README.md

@@ -30,7 +30,7 @@ go install github.com/Unbewohnte/id3ed/...
 
 # ∙ Examples
 
-## ⚬ Decoding ID3v1
+## ⚬ Reading ID3v1
 ```
 package main
 
@@ -45,24 +45,25 @@ func main() {
         panic(err)
     }
 
-    // extract ID3v1.1 tags 
-    mp3tags, err := id3v1.Getv1Tag(mp3file)
+    // extract ID3v1.1 tag 
+    mp3tag, err := id3v1.Readv1Tag(mp3file)
     if err != nil {
        panic(err)
     }
 
-    // print all tags
-    fmt.Printf("%+v",mp3tags)
+    // print the whole tag
+    fmt.Printf("%+v",mp3tag)
 
-    songname := mp3tags.SongName
+    // get certain fields
+    songname := mp3tag.SongName
 
-    genre := mp3tags.Genre
+    genre := mp3tag.Genre
 
     // etc.
 }
 ```
 
-## ⚬ Encoding ID3v1
+## ⚬ Writing ID3v1
 ```
 package main
 
@@ -97,6 +98,38 @@ func main() {
 }
 ```
 
+## ⚬ Reading ID3v2
+```
+package main
+
+import(
+    "fmt"
+    id3v2 "github.com/Unbewohnte/id3ed/v2"
+)
+
+func main() {
+    mp3file, err := os.Open("/path/to/mp3/myMP3.mp3")
+    if err != nil {
+        panic(err)
+    }
+
+    // extract ID3v2 tag 
+    mp3tag, err := id3v2.Readv2Tag(mp3file)
+    if err != nil {
+       panic(err)
+    }
+
+    if mp3tag.Header.Version == id3v2.V2_3 {
+        // get certain frame by identifier
+        title := mp3tag.Frames["TIT2"]
+        artist := mp3tag.Frames["TPE1"]
+    }
+
+
+    // etc.
+
+```
+
 ---
 
 # ∙ Testing