rebrand: rename project from Dispensa Manager to EverShelf

- Update app name across all files (manifest, index.html, README, docs)
- Update contact email to evershelfproject@gmail.com
- Rename Docker service/container/volume to evershelf
- Rename localStorage keys: dispensa_* → evershelf_*
- Rename SQLite DB reference: dispensa.db → evershelf.db
- Update SSH remote to dadaloop82/EverShelf
- Update Apache conf file name to evershelf.conf
- Update CI workflow Docker image/container names
- Update cron job example path
- Add data/dispensa.db to .gitignore to prevent accidental commit

.github/workflows/ci.yml

@@ -40,14 +40,14 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Build Docker image
-        run: docker build -t dispensa-test .
+        run: docker build -t evershelf-test .
 
       - name: Test container starts
         run: |
-          docker run -d --name test-dispensa -p 8080:80 dispensa-test
+          docker run -d --name test-evershelf -p 8080:80 evershelf-test
           sleep 5
           curl -f http://localhost:8080/ || exit 1
-          docker stop test-dispensa
+          docker stop test-evershelf
 
   validate-translations:
     name: Validate Translation Files