Create iso690-note-opcit-fr.csl

New ISO 690 note style for french locale, with "ibid" and "op.cit"

in bibliography : complete references

in note citations:
- 1st occurence of a reference : complete reference (same as in  bibliography)
- subsequent refences : shorter reference, except if "ibid" or "op.cit." can be applied
- Ibid : if the reference is the same as in the previous note
- op. cit : if the reference is the same as a reference given in a near note (the last 5 notes)