Merge pull request #300 from umccr/test/file-tidy

test(data): remove unused files and update README.md

Author: brainstorm

data/README.md

@@ -0,0 +1,25 @@
+# Test files for htsget-rs
+
+This directory contains test and example files for htsget-rs.
+
+## Crypt4GH
+
+Crypt4GH keys were generated by running:
+
+```sh
+cargo install crypt4gh
+crypt4gh keygen --sk c4gh/keys/alice.sec --pk c4gh/keys/alice.pub
+crypt4gh keygen --sk c4gh/keys/bob.sec --pk c4gh/keys/bob.pub
+```
+
+Files were encrypted by running:
+
+```sh
+crypt4gh encrypt --sk c4gh/keys/alice.sec --recipient_pk c4gh/keys/bob.pub < bam/htsnexus_test_NA12878.bam > c4gh/htsnexus_test_NA12878.bam.c4gh
+crypt4gh encrypt --sk c4gh/keys/alice.sec --recipient_pk c4gh/keys/bob.pub < bcf/sample1-bcbio-cancer.bcf > c4gh/sample1-bcbio-cancer.bcf.c4gh
+crypt4gh encrypt --sk c4gh/keys/alice.sec --recipient_pk c4gh/keys/bob.pub < bcf/spec-v4.3.bcf > c4gh/spec-v4.3.bcf.c4gh
+crypt4gh encrypt --sk c4gh/keys/alice.sec --recipient_pk c4gh/keys/bob.pub < cram/htsnexus_test_NA12878.cram > c4gh/htsnexus_test_NA12878.cram.c4gh
+crypt4gh encrypt --sk c4gh/keys/alice.sec --recipient_pk c4gh/keys/bob.pub < vcf/sample1-bcbio-cancer.vcf.gz > c4gh/sample1-bcbio-cancer.vcf.gz.c4gh
+crypt4gh encrypt --sk c4gh/keys/alice.sec --recipient_pk c4gh/keys/bob.pub < vcf/spec-v4.3.vcf.gz > c4gh/spec-v4.3.vcf.gz.c4gh
+```
+