Merge branch 'wip/nix-flake' into 'main'

All the dependencies bundled as a Nix flake

See merge request World/fractal!2136

.envrc

@@ -0,0 +1 @@
+use flake

.gitignore

@@ -1,3 +1,5 @@
+.direnv
+
 # Common build directory names
 _build/
 build/

flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1768564909,
+        "narHash": "sha256-Kell/SpJYVkHWMvnhqJz/8DqQg2b6PguxVWOuadbHCc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "e4bae1bd10c9c57b2cf517953ab70060a828ee6f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,43 @@
+{
+  description = "Fractal development environment";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  };
+
+  outputs = { self, nixpkgs }:
+    let
+      system = "x86_64-linux";
+      pkgs = import nixpkgs { inherit system; };
+    in
+    {
+      devShells.${system}.default = pkgs.mkShell {
+        packages = with pkgs; [
+          appstream
+          blueprint-compiler
+          cargo
+          clippy
+          dart-sass
+          desktop-file-utils
+          gettext
+          glib
+          gst_all_1.gstreamer
+          gst_all_1.gst-plugins-base
+          gst_all_1.gst-plugins-bad
+          gtk4
+          libadwaita
+          libglycin
+          libshumate
+          libwebp
+          meson
+          ninja
+          openssl
+          pkg-config
+          rustc
+          rustfmt
+          sqlite
+          gtksourceview5
+        ];
+      };
+    };
+}