Added ffmpeg version to build

.devcontainer/Dev - Server Ffmpeg/devcontainer.json

@@ -0,0 +1,28 @@
+{
+    "name": "Development Jellyfin Server - FFmpeg",
+    "image":"mcr.microsoft.com/devcontainers/dotnet:8.0-jammy",
+    // restores nuget packages, installs the dotnet workloads and installs the dev https certificate
+    "postStartCommand": "dotnet restore; dotnet workload update; dotnet dev-certs https --trust; bash ./install-ffmpeg.sh",
+    // reads the extensions list and installs them
+    "postAttachCommand": "cat .vscode/extensions.json | jq -r .recommendations[] | xargs -n 1 code --install-extension",
+    "features": {
+        "ghcr.io/devcontainers/features/dotnet:2": {
+            "version": "none",
+            "dotnetRuntimeVersions": "8.0",
+            "aspNetCoreRuntimeVersions": "8.0"
+        },
+        "ghcr.io/devcontainers-contrib/features/apt-packages:1": {
+            "preserve_apt_list": false,
+            "packages": ["libfontconfig1"]
+        },
+        "ghcr.io/devcontainers/features/docker-in-docker:2": {
+            "dockerDashComposeVersion": "v2"
+        },
+        "ghcr.io/devcontainers/features/github-cli:1": {},
+        "ghcr.io/eitsupi/devcontainer-features/jq-likes:2": {}
+    },
+    "hostRequirements": {
+        "memory": "8gb",
+        "cpus": 4
+    }
+}

.devcontainer/Dev - Server Ffmpeg/install-ffmpeg.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+
+sudo wget https://repo.jellyfin.org/releases/server/ubuntu/versions/jellyfin-ffmpeg/6.0-8/jellyfin-ffmpeg6_6.0-8-focal_amd64.deb -O ffmpeg.deb
+sudo apt install -f ./ffmpeg.deb -y
+rm ffmpeg.deb

.vscode/extensions.json

@@ -2,7 +2,7 @@
 	"recommendations": [
         "ms-dotnettools.csharp",
         "editorconfig.editorconfig",
-        "GitHub.vscode-github-actions",
+        "github.vscode-github-actions",
         "ms-dotnettools.vscode-dotnet-runtime",
         "ms-dotnettools.csdevkit"
 	],