Update flagFastdtw.md

docs/funcs/flagFastdtw.md

-## Flag Fastdtw
\ No newline at end of file
+## Flag Fastdtw
+
+
+## Index
+[flagFastdtw](#flagFastdtw)
+
+## flagFastdtw
+
+```                            
+flagFastdtw(thresh_rel=0.1, thresh_abs=0.01, 
+                         first_der_factor=10, first_der_window="12h", 
+                         scnd_der_ratio_range=0.05, scnd_der_ratio_thresh=10, 
+                         smooth=True, smooth_window=None, smooth_poly_deg=2)
+```
+
+| parameter             | data type                                                     | default value | description                                                                                                                                                |
+|-----------------------|---------------------------------------------------------------|---------------|------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| refdatafield          | string                                                        |               |                                             |
+| stepsize              |  int                                                          | `25`          |                                              |
+| min_distance          | float                                                         | `0.5`         |                                      |
+| method_dtw            | string                                                        | `"fast"`      |                                                           |
+
+