DEV: Add missing .prettierrc (#148)

DEV: Add missing .prettierrc (#148)

diff --git a/.prettierrc b/.prettierrc
new file mode 100644
index 0000000..0967ef4
--- /dev/null
+++ b/.prettierrc
@@ -0,0 +1 @@
+{}

GitHub sha: 2e2556350f1b1f0f1be2775fac30c0a8a1a9f0b4

This commit appears in #148 which was approved by pmusaraj. It was merged by CvX.