chore: add release template file

Author: runkids

.github/release-template.md

@@ -0,0 +1,24 @@
+
+# 2.0.0-beta.0 (2022-07-17)
+This is the first 2.0 beta version. Still change until the stable release. Documentation will also be updated once stable.
+
+# Breakings
+## `loading` is renamed to `isLoading` 
+``` diff
+- const { loading } = useConditionWatcher({...})
++ const { isLoading } = useConditionWatcher({...})
+```
+
+## Change `export` to `export default`
+``` diff
+- import { useConditionWatcher } from 'vue-condition-watcher'
++ import useConditionWatcher from 'vue-condition-watcher'
+```
+
+# What's Changed
+
+- chore: Switch to pnpm & turborepo & vitest
+- breaking: rename loading to isLoading
+- fix: `beforeFetch` receive conditions type
+
+### Full Changelog: https://github.com/runkids/vue-condition-watcher/compare/1.4.7...2.0.0-beta.0