Moved base codecs to main codebase.

diff --git a/opt/basecodecs/_PDCLIB_ascii.c b/functions/_PDCLIB/_PDCLIB_ascii.c
similarity index 100%
rename from opt/basecodecs/_PDCLIB_ascii.c
rename to functions/_PDCLIB/_PDCLIB_ascii.c

diff --git a/opt/basecodecs/_PDCLIB_latin1.c b/functions/_PDCLIB/_PDCLIB_latin1.c
similarity index 100%
rename from opt/basecodecs/_PDCLIB_latin1.c
rename to functions/_PDCLIB/_PDCLIB_latin1.c

diff --git a/opt/basecodecs/_PDCLIB_utf8.c b/functions/_PDCLIB/_PDCLIB_utf8.c
similarity index 100%
rename from opt/basecodecs/_PDCLIB_utf8.c
rename to functions/_PDCLIB/_PDCLIB_utf8.c