fix: add redirect for c dev env article (#360)

_redirects

@@ -3,6 +3,7 @@
 /blog/code-of-conduct /code-of-conduct
 /blog/cortex-m-fault-debug /blog/cortex-m-hardfault-debug
 /blog/swig-for-c-and-lua-copy /blog/swig-for-c-and-lua
+/blog/drafting-a-c-dev-environment /blog/a-modern-c-dev-env
 
 # Stable redirect for subscribing to Interrupt's Event calendar.
 # Here in case we switch to Google Calendar or another provider in the future