refactor(code-editor): update to Codemirror 6

Author: e111077

.eslintignore

@@ -8,7 +8,6 @@
 /internal/
 /service-worker/
 /shared/
-/src/themes/
 /test/
 /themes/
 /typescript-worker/

.gitignore

@@ -16,6 +16,9 @@
 /playground-*.js
 /playground-*.d.ts
 /playground-*.d.ts.map
+/cm-lang-lit.js
+/cm-lang-lit.d.ts
+/cm-lang-lit.d.ts.map
 /test/
 /_codemirror/
 /themes/
@@ -25,7 +28,6 @@
 .tsbuildinfo
 /playground-service-worker.*
 /playground-service-worker-proxy.*
-/src/playground-styles.ts
 /*.tgz
 /.wireit
 /.eslintcache

.prettierignore

@@ -9,9 +9,7 @@
 /internal/
 /service-worker/
 /shared/
-/src/configurator/themes.ts
 /src/playground-styles.ts
-/src/themes/
 /test/
 /themes/
 /typescript-worker/