chore: ffmpeg 설치 config파일 추가

Author: ChaJunWoo-dev

.ebextensions/ffmpeg.config

@@ -0,0 +1,18 @@
+packages:
+  yum:
+    ImageMagick: []
+    ImageMagick-devel: []
+
+commands:
+  01-wget:
+    command: "wget -O /tmp/ffmpeg.tar.xz https://www.johnvansickle.com/ffmpeg/old-releases/ffmpeg-3.4.2-64bit-static.tar.xz"
+  02-mkdir:
+    command: "mkdir -p /opt/ffmpeg"
+  03-tar:
+    command: "tar xvf /tmp/ffmpeg.tar.xz -C /opt/ffmpeg"
+  04-ln-ffmpeg:
+    command: "if [ ! -f /usr/bin/ffmpeg ]; then ln -sf /opt/ffmpeg/ffmpeg-3.4.2-64bit-static/ffmpeg /usr/bin/ffmpeg; fi"
+  05-ln-ffprobe:
+    command: "if [ ! -f /usr/bin/ffprobe ]; then ln -sf /opt/ffmpeg/ffmpeg-3.4.2-64bit-static/ffprobe /usr/bin/ffprobe; fi"
+  06-pecl-imagick:
+    command: "pecl list | grep imagick || pecl install -f imagick"