chore: adopt the CoSchedule repo standard

.editorconfig

@@ -0,0 +1,19 @@
+# Matches Prettier's defaults, so adding it doesn't change how existing code is formatted.
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+indent_style = space
+indent_size = 2
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+trim_trailing_whitespace = false
+
+[*.php]
+indent_size = 4
+
+[Makefile]
+indent_style = tab

.github/CODEOWNERS

@@ -0,0 +1,6 @@
+* @CoSchedule/engineers
+
+# Dependency manifests have no owner, so Dependabot updates can auto-merge once CI passes.
+package.json
+package-lock.json
+pnpm-lock.yaml

.github/dependabot.yml

@@ -0,0 +1,16 @@
+version: 2
+
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly
+      day: monday
+    cooldown:
+      default-days: 7
+    commit-message:
+      prefix: ci
+      include: scope
+    groups:
+      actions:
+        patterns: ['*']

.github/workflows/pr-title.yml

@@ -0,0 +1,11 @@
+name: PR title
+
+on:
+  pull_request:
+    types: [opened, edited, reopened, synchronize]
+
+jobs:
+  lint-pr-title:
+    uses: CoSchedule/platform/.github/workflows/pr-title.yml@v1
+    permissions:
+      contents: read

.gitignore

@@ -1,2 +1,11 @@
 .svn
 svn/click-to-tweet-by-todaymade/tags/
+
+node_modules/
+.env
+.env.local
+.env.*.local
+coverage/
+*.log
+.DS_Store
+.playwright-mcp/