re-add shell.nix, remove pkgbuild that was on the root , updated app versions to nightly alpha, to be easier to knwow the dev version, new extension files for windows, updated and fixes worfkflow and uv.lock

.github/workflows/nightly.yml

@@ -76,7 +76,7 @@ jobs:
         with:
           namcap: true
           updpkgsums : true
-          path : "packages/linux/nightly"
+          path : "packages/linux/nigthly"
           srcinfo: true
       
       - name: Upload Artifact
@@ -108,8 +108,14 @@ jobs:
             > [!NOTE]\n
             > The nightly prebuild is only avaiable for GNU/Linux and Windows.
             \n
+            > [!NOTE]\n
+            > For NixOS/Nixpkg you need to build it yourself by downloading the source files 
+            and then run `./nix-helper install`
+            \n
             Experimental Build (Nightly) generated by GitHub Action. The nighy build are experimental nuitka compilation from the nighly branch.
-            Package for GNU/Linux and Installer for Windows is coming late. Now includes installers."
+            Package for GNU/Linux and Installer for Windows is coming late. 
+            \n
+            Now includes installers."
           files: |
             ./artifacts/****.exe
             ./artifacts/****.zip