v0.2.7

Bug Fixes

• typo in ex 1.13, 1.17 (#53) #53 (YI Zeping)
• fix pipeline for rsfs (#57) #57 (Shirong_Wang)
• typo, hyperlink and experssion fixs for Chap2 (#55) #55 (YI Zeping)
• one autoref in chap2 (jeanwsr)

Chores

• update contributors (jeanwsr)

Commits

• e3209d8: fix typo in eq 1.66 (jeanwsr)
• use rsfs for spin operator (#56) #56 (YI Zeping)
• 3a013a6: add dev guide (jeanwsr)
• 9f7c604: bump to 0.2.7 (jeanwsr)