Add CHANGELOG

CHANGELOG

+# Changelog
+All notable changes to this project will be documented in this file.
+-------------------------------------------------------------------------------
+
+
+-------------------------------------------------------------------------------
+
+## [0.2.0] - 2021-xx-xx                 TODO
+### Added
+- Implementing transduction schemes as a SPARQL query (using sparql-wrapper)
+- Saving queries with XML files (cdata) 
+- Loading corpus as RDF ontology
+
+### Changed
+- TODO
+
+### Fix
+- TODO
+
+
+-------------------------------------------------------------------------------
+
+## [0.1.0] - 2021-08-10                 IN PROGRESS
+
+### Added
+- Init project
+- Module: --
+
+### Changed
+- TODO
+
+### Fix
+- TODO