v0.3.0

ProteinSecondaryStructures v0.3.0

Diff since v0.2.0

Closed issues:

• Provide DSSP and Stride binaries (#3)

Merged pull requests:

• Use STRIDE_jll and DSSP_jll instead of user-installed executables (#6) (@marcom)
• Run Aqua.test_all during tests (#7) (@marcom)