Fix typos [skip ci]

Found via codespell v1.18.0.dev0  
```
codespell -q 3 -L aci,ake,aline,alle,alledges,alocation,als,ang,anid,ba,beginn,behaviour,bloaded,byteorder,calculater,cancelled,cancelling,cas,cascade,centimetre,childs,colour,colours,commen,connexion,currenty,dof,doubleclick,dum,eiter,elemente,ende,feld,finde,findf,freez,hist,iff,indicies,initialisation,initialise,initialised,initialises,initialisiert,ist,kilometre,lod,mantatory,methode,metres,millimetre,modell,nd,noe,normale,normaly,nto,numer,oder,orgin,orginx,orginy,ot,pard,pres,programm,que,recurrance,rougly,seperator,serie,sinc,strack,substraction,te,thist,thru,tread,uint,unter,vertexes,wallthickness,whitespaces -S ./.git,*.po,*.ts,./ChangeLog.txt,./src/3rdParty,./src/Mod/Assembly/App/opendcm,./src/CXX,./src/zipios++,./src/Base/swig*,./src/Mod/Robot/App/kdl_cp,./src/Mod/Import/App/SCL,./src/WindowsInstaller,./src/Doc/FreeCAD.uml
```

src/Mod/Draft/draftmake/make_patharray.py

@@ -114,7 +114,7 @@ def make_path_array(base_object, path_object, count=4,
           `X` is curve tangent, `Y` is normal parameter, Z is the cross
           product `X` x `Y`.
         - Frenet. It defines a local coordinate system along the path.
-          `X` is tanget to curve, `Y` is curve normal, `Z` is curve binormal.
+          `X` is tangent to curve, `Y` is curve normal, `Z` is curve binormal.
           If normal cannot be computed, for example, in a straight path,
           a default is used.
         - Tangent. It is similar to `'Original'` but includes a pre-rotation