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

core/serialization/exceptions.ts

@@ -10,7 +10,6 @@ goog.declareModuleId('Blockly.serialization.exceptions');
 import type {Block} from '../block.js';
 import type {State} from './blocks.js';
 
-
 export class DeserializationError extends Error {}
 
 /**
@@ -60,8 +59,11 @@ export class BadConnectionCheck extends DeserializationError {
    * @internal
    */
   constructor(
-      reason: string, childConnection: string, public childBlock: Block,
-      public childState: State) {
+    reason: string,
+    childConnection: string,
+    public childBlock: Block,
+    public childState: State
+  ) {
     super(`The block ${childBlock.toDevString()} could not connect its
 ${childConnection} to its parent, because: ${reason}`);
   }