adding some various snippets

Packages/User/changelog.sublime-snippet

@@ -0,0 +1,36 @@
+<snippet>
+    <content><![CDATA[
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+### Added
+- 
+
+### Changed
+- 
+
+### Removed
+- 
+
+
+## [1.0.0] - 20XX-01-01
+### Added
+- 
+
+### Changed
+- 
+
+### Removed
+- 
+
+
+]]></content>
+    <!-- Optional: Set a tabTrigger to define how to trigger the snippet -->
+    <tabTrigger>changelog</tabTrigger>
+    <!-- Optional: Set a scope to limit where the snippet will trigger -->
+    <!-- <scope>source.python</scope> -->
+</snippet>