diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000000000000000000000000000000000000..fbb4fe5d800ac6b4fd572ad9fb5c3c69dbf2e255
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+*.sc linguist-language=Scheme
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index cb7465f8291685dea5dab6d68ce5f188529e873a..f239b11d4b8ced0e5cef5fc8addd2db1db09f4fb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,4 +7,14 @@ __pycache__
 *.out
 bin/
 debug/
-release/
\ No newline at end of file
+release/
+
+*.ss~
+*.ss#*
+.#*.ss
+*.scm~
+*.scm#*
+.#*.scm
+*.so
+img/.DS_Store
+.DS_Store
\ No newline at end of file
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000000000000000000000000000000000000..ec71b64a7c6e61b81860d892d61d8cf41ba9051e
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2022 guenchi
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.