diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e1f8f99
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/scm2wasm
+/*.wasm
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..383a52f
--- /dev/null
+++ b/README.md
@@ -0,0 +1,20 @@
+# scm2wasm
+
+really bad minimal scheme compiler
+
+## building
+
+```
+$ make
+```
+
+## running
+
+```
+$ ./scm2wasm < input.scm > output.wasm
+$ wasm-tools validate output.wasm
+$ wasm-tools print output.wasm -o output.wat
+$ wasmtime -Wgc --invoke start output.wasm
+...
+30
+```