Initialize the LangChain4j GitHub Bot config files (#1329)

As discussed :).

.github/langchain4j-github-bot.yml

@@ -0,0 +1,13 @@
+---
+# The format of this file is documented here:
+# https://github.com/langchain4j/langchain4j-github-bot
+features: [TRIAGE_ISSUES_AND_PULL_REQUESTS]
+triage:
+  rules:
+    - id: azure
+      labels: [Azure]
+      title: "azure"
+      notify: [jdubois, agoncal]
+      notifyInPullRequest: true
+      files:
+        - '*-azure-*/**'

.github/workflows/langchain4j-github-bot-lint.yml

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+name: langchain4j-github-bot.yml lint
+
+on:
+  push:
+    paths:
+      - '.github/langchain4j-github-bot.yml'
+  pull_request:
+    paths:
+      - '.github/langchain4j-github-bot.yml'
+
+jobs:
+  lint:
+    name: "langchain4j-github-bot.yml validation"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: install yamllint
+        shell: bash
+        run: sudo apt-get install -y yamllint
+      - name: run yamllint for langchain4j-github-bot.yml
+        shell: bash
+        run: yamllint -c .github/yamllint.conf .github/langchain4j-github-bot.yml

.github/yamllint.conf

@@ -0,0 +1,5 @@
+extends: default
+
+rules:
+  line-length: disable
+  commas: disable