chore: add Typescript support

Fixed: twpowertools:198
Change-Id: I00a14ab8ad93e9ff8d2a4d2e33824a9290500a8a
diff --git a/.prettierrc.yaml b/.prettierrc.yaml
new file mode 100644
index 0000000..040276d
--- /dev/null
+++ b/.prettierrc.yaml
@@ -0,0 +1,2 @@
+semi: true
+singleQuote: true