Add codespell configuration for the project

.codespellrc

@@ -0,0 +1,10 @@
+[codespell]
+# ignore short names used in tests: ans, oT, ue, fo, haa, varius
+# ignore words joined to \t or \n character: \tThe, \tbe, \nIn
+# ignore variable names used in code: desig, matchin, compre, invers, compileTime, seh
+# ignore command names used in code: uncomplete
+ignore-words-list = ans,ot,ue,fo,haa,varius,tthe,tbe,nin,desig,matchin,compre,invers,compiletime,seh,uncomplete
+# skip git repository internal content
+# skip generated content: ChangeLog, doc/build, modulecmd*.tcl
+# skip retrieved content: icdiff, lib/tcl.m4
+skip = .git,ChangeLog,modulecmd*.tcl,*doc/build,icdiff,*lib/tcl.m4