feat: initial dev-configs monorepo

Shared configs for TypeScript projects: ESLint, Prettier, TypeScript,
Vite, Jest, Playwright, Knip. Published as @vigdorov/* npm packages
to Gitea registry.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.drone.yml

@@ -0,0 +1,51 @@
+## Library CI pipeline — for npm package publishing
+## Configure project via service.yaml
+
+kind: pipeline
+type: kubernetes
+name: ci
+
+steps:
+  - name: prepare
+    image: alpine:3.19
+    environment:
+      GITEA_TOKEN:
+        from_secret: GITEA_TOKEN
+    commands:
+      - apk add --no-cache git bash yq
+      - git clone --depth 1 https://token:$GITEA_TOKEN@git.vigdorov.ru/vigdorov/ci-templates.git .ci
+      - chmod +x .ci/scripts/*.sh
+      - bash .ci/scripts/prepare.sh
+
+  - name: install
+    image: node:22-alpine
+    depends_on: [prepare]
+    commands:
+      - npm ci
+
+  - name: test
+    image: node:22-alpine
+    depends_on: [install]
+    commands:
+      - npm run lint
+      - npm run test
+      - npm run check
+
+  - name: build
+    image: node:22-alpine
+    depends_on: [test]
+    commands:
+      - npm run build
+
+  - name: publish
+    image: node:22-alpine
+    depends_on: [build]
+    environment:
+      GITEA_TOKEN:
+        from_secret: GITEA_TOKEN
+    commands:
+      - bash .ci/scripts/publish-lib.sh
+
+trigger:
+  branch: [main]
+  event: [push]