java frontend (#5097)

# Description of Changes

<!--
Please provide a summary of the changes, including:

- What was changed
- Why the change was made
- Any challenges encountered

Closes #(issue_number)
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---

## Checklist

### General

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md)
(if applicable)
- [ ] I have performed a self-review of my own code
- [ ] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### Translations (if applicable)

- [ ] I ran
[`scripts/counter_translation.py`](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/docs/counter_translation.md)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [ ] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/devGuide/DeveloperGuide.md#6-testing)
for more details.

---------

Co-authored-by: Reece <[email protected]>
Co-authored-by: Reece Browne <[email protected]>

.github/workflows/push-docker-v2.yml

@@ -5,6 +5,7 @@ on:
   push:
     branches:
       - V2-master
+      - alljavadocker
 
 # cancel in-progress jobs if a new job is triggered
 # This is useful to avoid running multiple builds for the same branch if a new commit is pushed
@@ -93,10 +94,10 @@ jobs:
             type=raw,value=${{ steps.versionNumber.outputs.versionNumber }}
             type=raw,value=latest
 
-      - name: Generate tags for latest (V2-demo branch - test)
+      - name: Generate tags for latest (alljavadocker branch - test)
         id: meta-test
         uses: docker/metadata-action@c1e51972afc2121e065aed6d45c65596fe445f3f # v5.8.0
-        if: github.ref == 'refs/heads/V2-demo'
+        if: github.ref == 'refs/heads/alljavadocker'
         with:
           images: |
             ghcr.io/stirling-tools/stirling-pdf-test
@@ -110,7 +111,7 @@ jobs:
         with:
           builder: ${{ steps.buildx.outputs.name }}
           context: .
-          file: ./docker/Dockerfile.unified
+          file: ./docker/embedded/Dockerfile
           push: true
           cache-from: type=gha
           cache-to: type=gha,mode=max
@@ -149,10 +150,10 @@ jobs:
             type=raw,value=${{ steps.versionNumber.outputs.versionNumber }}-fat
             type=raw,value=latest-fat
 
-      - name: Generate tags for latest-fat (V2-demo branch - test)
+      - name: Generate tags for latest-fat (alljavadocker branch - test)
         id: meta-fat-test
         uses: docker/metadata-action@c1e51972afc2121e065aed6d45c65596fe445f3f # v5.8.0
-        if: github.ref == 'refs/heads/V2-demo'
+        if: github.ref == 'refs/heads/alljavadocker'
         with:
           images: |
             ghcr.io/stirling-tools/stirling-pdf-test
@@ -166,7 +167,7 @@ jobs:
         with:
           builder: ${{ steps.buildx.outputs.name }}
           context: .
-          file: ./docker/Dockerfile.unified
+          file: ./docker/embedded/Dockerfile.fat
           push: true
           cache-from: type=gha
           cache-to: type=gha,mode=max
@@ -203,10 +204,10 @@ jobs:
             type=raw,value=${{ steps.versionNumber.outputs.versionNumber }}-ultra-lite
             type=raw,value=latest-ultra-lite
 
-      - name: Generate tags for ultra-lite (V2-demo branch - test)
+      - name: Generate tags for ultra-lite (alljavadocker branch - test)
         id: meta-lite-test
         uses: docker/metadata-action@c1e51972afc2121e065aed6d45c65596fe445f3f # v5.8.0
-        if: github.ref == 'refs/heads/V2-demo'
+        if: github.ref == 'refs/heads/alljavadocker'
         with:
           images: |
             ghcr.io/stirling-tools/stirling-pdf-test
@@ -220,7 +221,7 @@ jobs:
         with:
           builder: ${{ steps.buildx.outputs.name }}
           context: .
-          file: ./docker/Dockerfile.unified-lite
+          file: ./docker/embedded/Dockerfile.ultra-lite
           push: true
           cache-from: type=gha
           cache-to: type=gha,mode=max