fixed repeated folder name for blogs

app.py

wiki/blogs/cdogma_aarav.md

wiki/blogs/cell_soham.md

wiki/blogs/dnarep_devansh.md

wiki/blogs/itc_vidhi.md

wiki/blogs/mutations_aditey.md

wiki/blogs/neuron_ritik.md

wiki/blogs/plasmids_creetika.md

wiki/blogs/rdna_mihir.md

wiki/blogs/ribosomes_vidhi.md

wiki/blogs/sdspage_soham.md

wiki/blogs/synbio_mukta.md

wiki/blogs/transformation_chandana.md

wiki/blogs/translation_chandana.md