chore(doc): update

Author: batosai

docs/guide/configuration.md

@@ -64,7 +64,7 @@ You may set the ffmpeg and ffprobe binary paths manually:
 
 ```typescript
 export default defineConfig({
-  bin: { // [!code focus:5]
+  bin: { // [!code focus:4]
     ffmpegPath: 'ffmpeg_path',
     ffprobePath: 'ffprobe_path',
   },
@@ -79,3 +79,27 @@ export default defineConfig({
 | ----------- | ------------------------------------------------------------------------------- |
 |ffmpegPath   |Argument `path` is a string with the full path to the ffmpeg binary              |
 |ffprobePath  |Argument `path` is a string with the full path to the ffprobe binary             |
+
+
+sample, [download ffmpeg](https://ffbinaries.com/downloads) and ffprobe binary in /bin. Add execution right.
+
+```sh
+cd bin
+chmod +x ffmpeg
+chmod +x ffprobe
+```
+
+```typescript
+import app from '@adonisjs/core/services/app'
+import { defineConfig } from '@jrmc/adonis-attachment'
+
+export default defineConfig({
+  bin: { // [!code focus:4]
+    ffmpegPath: app.makePath('bin/ffmpeg'),
+    ffprobePath: app.makePath('bin/ffprobe'),
+  },
+  converters: [
+    // ...
+  ]
+})
+```

docs/guide/installation.md

@@ -43,6 +43,8 @@ yarn add sharp
 
 Variants images for thumbnail video are generates by [fluent-ffmpeg](https://www.npmjs.com/package/fluent-ffmpeg). Make sure you have [ffmpeg](https://ffmpeg.org) installed on your system (including all necessary encoding libraries like libmp3lame or libx264).
 
+It is possible to specify the [path of binaries](/guide/configuration.html#bin-optional). Useful if your installations are specific or if you are dropping off precompiled versions.
+
 Installation required:
 
 ::: code-group