add date qualifiers

global-configs/stage/transforms/qualifier.txt

 [\s+]\(?(?<qualifier>wohl um)\)?[^a-zA-Z]
 [^a-zA-Z]\(?(?<qualifier>wohl um)\)?[\s+]
+^\(?(?<qualifier>wohl um)\)?[\s+]
 [\s+]\(?(?<qualifier>wohl zwischen)\)?[^a-zA-Z]
 [^a-zA-Z]\(?(?<qualifier>wohl zwischen)\)?[\s+]
+^\(?(?<qualifier>wohl zwischen)\)?[\s+]
 [\s+]\(?(?<qualifier>wohl)\)?[^a-zA-Z]
 [^a-zA-Z]\(?(?<qualifier>wohl)\)?[\s+]
+^\(?(?<qualifier>wohl)\)?[\s+]
 [\s+]\(?(?<qualifier>zwischen)\)?[^a-zA-Z]
 [^a-zA-Z]\(?(?<qualifier>zwischen)\)?[\s+]
+^\(?(?<qualifier>zwischen)\)?[\s+]
 [\s+]\(?(?<qualifier>wahrscheinlich um)\)?[^a-zA-Z]
 [^a-zA-Z]\(?(?<qualifier>wahrscheinlich um)\)?[\s+]
+^\(?(?<qualifier>wahrscheinlich um)\)?[\s+]
 [\s+]\(?(?<qualifier>um)\)?[^a-zA-Z]
 [^a-zA-Z]\(?(?<qualifier>um)\)?[\s+]
+^\(?(?<qualifier>um)\)?[\s+]
 (?<qualifier>ca\.)
 (?<qualifier>ou avant)
\ No newline at end of file