Add CHANGELOG, bump project version

Also add hint to version info to base .tex file

CHANGELOG.md

@@ -0,0 +1,45 @@
+# 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]
+
+- Nothing
+
+## [1.1.0] - 2020-06-09
+
+### Added
+
+- Added `bib` file entries for the built-in math macros (f1803d3b):
+ - `\mean`
+ - `\logmean`
+ - `\flow`
+ - `\difference`
+ - `\nablaoperator`
+ - `\vect`
+ - `\deriv`
+ - `\fracderiv`
+ - `\timederiv`
+ - `\posderiv`
+- New tabular showcasing those built-in math macros (119fce11)
+- New tabular showcasing the built-in glossary commands (0e7ed5a9):
+ - `\idx`
+ - `\name`
+ - `\sym`
+ - `\sub`
+ - `\abb`
+ - `\cons`
+- Added sample entries for the *Terms* index (6ca2670b)
+
+### Removed
+
+- Unused entry `Mach` in `names.bib` (c000d4ec)
+
+## [1.0.0] - 2020-04-22
+
+### Added
+
+- Initial release

cookbook.cls

@@ -11,7 +11,7 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % Refer to https://www.overleaf.com/learn/latex/Writing_your_own_class
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesClass{cookbook}[2020/04/22 v1.0.0 cookbook class]
+\ProvidesClass{cookbook}[2020/06/09 v1.1.0 cookbook class]
 
 \newcommand*{\@baseclass}{scrbook}% Name of class this one is based on
 

cookbook.tex

@@ -2,6 +2,8 @@
 % LaTeX Cookbook
 % LuaLaTeX-based LaTeX cookbook based on KOMAScript
 %
+% Refer to the *.cls file for version info (see \ProvidesClass).
+%
 % License and Copyright:
 % MIT License
 %