chore(login): migrate nextjs login to monorepo (#10134)

# Which Problems Are Solved

We move the login code to the zitadel repo.

# How the Problems Are Solved

The login repo is added to ./login as a git subtree pulled from the
dockerize-ci branch.
Apart from the login code, this PR contains the changes from #10116

# Additional Context

- Closes https://github.com/zitadel/typescript/issues/474
- Also merges #10116  
- Merging is blocked by failing check because of:
- https://github.com/zitadel/zitadel/pull/10134#issuecomment-3012086106

---------

Co-authored-by: Max Peintner <peintnerm@gmail.com>
Co-authored-by: Max Peintner <max@caos.ch>
Co-authored-by: Florian Forster <florian@zitadel.com>

.github/workflows/compile.yml

@@ -18,7 +18,9 @@ on:
       version:
         required: true
         type: string
-
+      node_version:
+        required: true
+        type: string
 jobs:
   executable:
     runs-on: ubuntu-latest
@@ -73,10 +75,38 @@ jobs:
       with:
         name: zitadel-${{ matrix.goos }}-${{ matrix.goarch }}
         path: zitadel-${{ matrix.goos }}-${{ matrix.goarch }}.tar.gz
-  
+
+  login:
+    runs-on: ubuntu-latest
+    steps:
+    -
+      uses: actions/checkout@v4
+    -
+      uses: depot/setup-action@v1
+      with:
+        oidc: true
+    -
+      run: make login_standalone_out
+      env:
+        # latest if branch is main, otherwise image version which is the pull request number
+        LOGIN_BAKE_CLI: depot bake
+        DEPOT_PROJECT_ID: w47wkxzdtw
+        NODE_VERSION: ${{ inputs.node_version }}
+    -
+      name: move files
+      run: |
+        cp login/LICENSE login/apps/login/standalone/
+        cp login/README.md login/apps/login/standalone/
+        tar -czvf login.tar.gz -C login/apps/login/standalone .
+    -
+      uses: actions/upload-artifact@v4
+      with:
+        name: login
+        path: login.tar.gz
+
   checksums:
     runs-on: ubuntu-latest
-    needs: executable
+    needs: [executable, login]
     steps:
     - 
       uses: actions/download-artifact@v4