chore: add Dependabot, example requests, and editor configuration

.editorconfig

@@ -0,0 +1,18 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space
+indent_size = 4
+
+[*.{yml,yaml}]
+indent_size = 2
+
+[*.md]
+trim_trailing_whitespace = false
+
+[*.xml]
+indent_size = 4

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -0,0 +1,42 @@
+name: New example request
+description: Propose a student-friendly example or learning exercise using the published Cortex4J API
+title: "[Example]: "
+labels: ["enhancement"]
+body:
+  - type: markdown
+    attributes:
+      value: "Suggest examples that can be built using the public Maven dependency. Do not include credentials, private device identifiers, or unpublished library source."
+  - type: input
+    id: goal
+    attributes:
+      label: Learning goal
+      description: What should a student learn from this example?
+      placeholder: "e.g., subscribe to an EEG data stream and print selected values"
+    validations:
+      required: true
+  - type: textarea
+    id: behavior
+    attributes:
+      label: Proposed example
+      description: Describe the expected behavior, input, and output.
+    validations:
+      required: true
+  - type: textarea
+    id: prerequisites
+    attributes:
+      label: Prerequisites
+      description: Device, account, software, permissions, or simulator requirements. Never share secrets.
+    validations:
+      required: true
+  - type: textarea
+    id: acceptance
+    attributes:
+      label: How could a student verify it works?
+      description: Provide observable success criteria and possible failure cases.
+    validations:
+      required: true
+  - type: textarea
+    id: notes
+    attributes:
+      label: Additional context
+      description: Optional links, references, or limitations.

.github/dependabot.yml

@@ -0,0 +1,24 @@
+version: 2
+updates:
+  - package-ecosystem: "maven"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 3
+    ignore:
+      # Keep student examples pinned to the intentionally documented release.
+      - dependency-name: "com.javiergs:cortex4j"
+    groups:
+      maven-maintenance:
+        patterns:
+          - "*"
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 3
+    groups:
+      github-actions:
+        patterns:
+          - "*"

.gitignore

@@ -7,3 +7,9 @@ target/
 .vscode/
 src/main/resources/cortex4j.properties
 .env
+# Operating system files
+.DS_Store
+Thumbs.db
+
+# Local logs
+*.log