chore: use prettier instead of clang-format (#7014)

* chore: add and configure prettier

* chore: remove clang-format

* chore: remove clang-format config

* chore: lint additional ts files

* chore: fix lint errors in blocks

* chore: add prettier-ignore where needed

* chore: ignore js blocks when formatting

* chore: fix playground html syntax

* chore: fix yaml spacing from merge

* chore: convert text blocks to use arrow functions

* chore: format everything with prettier

* chore: fix lint unused imports in blocks

.prettierrc.js

@@ -0,0 +1,13 @@
+// This config attempts to match google-style code.
+
+module.exports = {
+  // Prefer single quotes, but minimize escaping.
+  singleQuote: true,
+  // Some properties must be quoted to preserve closure compiler behavior.
+  // Don't ever change whether properties are quoted.
+  quoteProps: 'preserve',
+  // Don't add spaces around braces for object literals.
+  bracketSpacing: false,
+  // Put HTML tag closing brackets on same line as last attribute.
+  bracketSameLine: true,
+};