ci(codechecks): use yml

Author: hasparus

codechecks.ts

@@ -0,0 +1,27 @@
+checks:
+  - name: build-size-watcher
+    options:
+      gzip: true
+      files:
+        - path: './packages/color/dist/theme-ui-color.esm.js'
+        - path: './packages/color-modes/dist/theme-ui-color-modes.esm.js'
+        - path: './packages/components/dist/theme-ui-components.esm.js'
+        - path: './packages/core/dist/theme-ui-core.esm.js'
+        - path: './packages/css/dist/theme-ui-css.esm.js'
+        - path: './packages/custom-properties/dist/theme-ui-custom-properties.esm.js'
+        - path: './packages/gatsby-plugin-theme-ui/dist/gatsby-plugin-theme-ui.cjs.js'
+        - path: './packages/match-media/dist/theme-ui-match-media.esm.js'
+        - path: './packages/mdx/dist/theme-ui-mdx.esm.js'
+        - path: './packages/parse-props/dist/theme-ui-parse-props.esm.js'
+        - path: './packages/prism/dist/theme-ui-prism.esm.js'
+        - path: './packages/theme-provider/dist/theme-ui-theme-provider.esm.js'
+        - path: './packages/theme-ui/dist/theme-ui.esm.js'
+        - path: './packages/typography/dist/theme-ui-typography.esm.js'
+  - name: typecov
+    options:
+      strict: true
+      atLeast: 96
+settings:
+  branches:
+    - develop
+    - stable