feat: Add initial Mobilizon => Discord sync (#1)

Closes #2 , #3

Co-authored-by: Piotr Gaczkowski <DoomHammerNG@gmail.com>
Reviewed-on: #1
Reviewed-by: leming leming <leming@hs3.pl>

devenv.nix

@@ -1,14 +1,44 @@
+{ pkgs, ... }:
 {
   name = "kronos";
 
-  languages.python = {
-    enable = true;
-    venv.enable = true;
-    version = "3.13.0";
-    uv = {
+  cachix = {
+    pull = [ "hs3city" ];
+    push = "hs3city";
+  };
+
+  languages = {
+    python = {
       enable = true;
-      sync.enable = true;
-      sync.allExtras = true;
+      venv.enable = true;
+      version = "3.13.0";
+      uv = {
+        enable = true;
+        sync.enable = true;
+        sync.allExtras = true;
+      };
     };
   };
+
+  packages = [
+    pkgs.uv
+  ];
+
+  enterShell = ''
+    echo
+    echo "🪝 Installing pre-commit"
+    echo
+    pre-commit install
+
+    echo
+    echo "✨ Installing kronos"
+    echo
+    uv pip install -e .
+
+    echo
+    echo "🙌 Welcome to kronos' devenv!"
+    echo 'To run kronos, type `kronos`'
+    echo
+    echo
+  '';
 }