add .gitignore, issue templates and json lint workflows

Author: lowerpower

.github/ISSUE_TEMPLAT/bug_report.yml

@@ -0,0 +1,12 @@
+name: Bug report
+description: File a bug
+labels: ["bug"]
+body:
+  - type: textarea
+    id: what-happened
+    attributes: {label: What happened?, description: Include exact commands/prompts.}
+    validations: {required: true}
+  - type: input
+    id: version
+    attributes: {label: Version, placeholder: v1.2.0}
+

.github/ISSUE_TEMPLAT/feature_request.yml

@@ -0,0 +1,10 @@
+name: Feature request
+description: Suggest an idea
+labels: ["enhancement"]
+body:
+  - type: textarea
+    id: proposal
+    attributes: {label: Proposal, description: What should change and why?}
+    validations: {required: true}
+
+

.github/workflows/json-lint.yml

@@ -0,0 +1,18 @@
+name: JSON lint
+on:
+  push:
+  pull_request:
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Validate JSON
+        run: |
+          sudo apt-get update && sudo apt-get install -y jq
+          jq -e . compression-menu.json > /dev/null
+          if [ -d examples ]; then
+            find examples -name "*.json" -print0 | xargs -0 -I{} jq -e . "{}" > /dev/null
+          fi
+
+

.gitignore

@@ -0,0 +1,4 @@
+.DS_Store
+*.log
+snapshots/
+