add missing files

MANIFEST.in

@@ -0,0 +1,7 @@
+recursive-exclude * __pycache__
+recursive-exclude * *pyc
+include requirements*txt
+include CONTRIBUTING.rst
+include LICENSE
+include README.rst
+recursive-exclude test *

test/test_main.py

@@ -0,0 +1,18 @@
+from biosniff.main import sniffer
+
+
+from . import test_dir
+
+def test_main():
+
+    from click.testing import CliRunner
+    runner = CliRunner()
+
+    # fastq command
+    filename1 = f"{test_dir}/../../data/fastq/test.fastq.gz"
+    results = runner.invoke(sniffer, ['--help'])
+    assert results.exit_code == 0
+    results = runner.invoke(sniffer, [f"{test_dir}/data/measles.sam"])
+    assert results.exit_code == 0
+
+