Configure prettier and ignore

.prettierignore

@@ -0,0 +1,14 @@
+# Python-related
+venv/
+.venv/
+__pycache__/
+.mypy_cache/
+
+# JavaScript-related
+node_modules
+
+# Local instance data and configuration
+instance/
+
+# Libraries
+ui/static/lib

.prettierrc.json

@@ -0,0 +1,5 @@
+{
+    "tabWidth": 4,
+    "semi": false,
+    "arrowParens": "avoid"
+}