Update README.md

README.md

@@ -41,7 +41,7 @@ npm install
 ```
 
 ## Usage :bicyclist:
-▸ Setup MongoDB   
+#### ▸ Setup MongoDB   
   
 To configure the database connection, you need to set the following environment variables:
 - `DB_USER`: The username for the MongoDB database.
@@ -53,26 +53,32 @@ To configure the database connection, you need to set the following environment
 The database connection URI is constructed using the environment variables.  
 If the `DB_USER` or `DB_PASS` environment variables are not set, it defaults to connecting to `mongodb://localhost:27017`.
   
-▸ Start the Client App
+#### ▸ Start the Client App
 ```
 cd client
 npm start
 ```
-▸ Serve the Backend App
+#### ▸ Start the Backend App
 ```
 cd .. # to go to the root dir
-go run main.go serve [-proto <http|https>] [-port <port number>]
+go run main.go serve [-proto <http|https> (default: http)] [-port <port number> (default: 5000)]
 ```
-▸ Download a Song  
+#### ▸ Download a Song  
 Note: A link from Spotify's mobile app won't work. You can copy the link from either the desktop or web app.
 ```
 go run main.go download <https://open.spotify.com/.../...>
 ```  
-▸ Find matches for a song/recording
+#### ▸ Save local songs to DB (supports all audio formats)    
+```
+go run main.go save [-f|--force] <path_to_song_file_or_dir_of_songs>
+```
+The `-f` or `--force` flag allows saving the song even if a YouTube ID is not found. Note that the frontend will not display matches without a YouTube ID.  
+  
+#### ▸ Find matches for a song/recording
 ```
 go run main.go find <path-to-wav-file>
 ```
-▸ Delete fingerprints and songs
+#### ▸ Delete fingerprints and songs
 ```
 go run main.go erase
 ```
@@ -125,7 +131,7 @@ Final prediction: Voilà by André Rieu , score: 5390686.00
 
 
 ## Todo
--  [ ] Enable song addition from WAV files
+-  [x] Implement saving local songs to DB
 -  [ ] Add support for file-based DB as an alternative to MongoDB.
 
 ## Author :black_nib: