feat: initialize project

Author: ivangabriele

.editorconfig

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+# https://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 2
+indent_style = space
+insert_final_newline = true
+max_line_length = 120
+trim_trailing_whitespace = true
+
+[*.md]
+max_line_length = 0
+trim_trailing_whitespace = false
+
+[*.py]
+indent_size = 4
+
+[*.rs]
+indent_size = 4
+max_line_length = 80
+
+[*.xml]
+trim_trailing_whitespace = false
+
+[COMMIT_EDITMSG]
+max_line_length = 0
+
+[Makefile]
+indent_size = 8
+indent_style = tab
+max_line_length = 80

.github/workflows/release.yml

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+name: Release
+on:
+  schedule:
+    - cron: "0 0 * * *"
+  workflow_dispatch:
+jobs:
+  update:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          submodules: true
+      - name: Update
+        run: make update
+      - name: Import GPG key
+        uses: crazy-max/ghaction-import-gpg@v6
+        with:
+          git_config_global: true
+          git_commit_gpgsign: true
+          git_user_signingkey: true
+          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
+          trust_level: ultimate
+      - name: Add, Commit & Push
+        uses: stefanzweifel/git-auto-commit-action@v5
+        with:
+          commit_message: "feat: update knowledge base index"
+          commit_user_email: [email protected]
+          commit_user_name: "Ivan Gabriele (Github)"
+      - name: Create Release Tag
+        id: tag
+        run: echo "RELEASE_TAG=v$(date +'%Y.%m.%d')" >> $GITHUB_OUTPUT
+      - name: Release
+        uses: ncipollo/release-action@v1
+        with:
+          allowUpdates: true
+          artifacts: "*.tar.gz"
+          token: ${{ secrets.GH_TOKEN }}
+          tag: ${{ steps.tag.outputs.RELEASE_TAG }}

.gitignore

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+/.output/*
+!/.output/README.md
+
+/*.tar.gz

.gitmodules

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+[submodule "kotlin"]
+	path = kotlin
+	url = https://github.com/JetBrains/kotlin-web-site.git
+[submodule "gradle"]
+	path = gradle
+	url = https://github.com/gradle/gradle.git
+[submodule "spring-boot"]
+	path = spring-boot
+	url = https://github.com/spring-projects/spring-boot.git
+[submodule "spring-data-jpa"]
+	path = spring-data-jpa
+	url = https://github.com/spring-projects/spring-data-jpa.git
+[submodule "hibernate-orm"]
+	path = hibernate-orm
+	url = https://github.com/hibernate/hibernate-orm.git