fix: grammars (#4989)

Proper and consistent styling

src/data/roadmaps/code-review/content/103-implementation-semantics.md

@@ -3,8 +3,8 @@
 - Does it satisfy the original requirements?
 - Is it logically correct?
 - Is there no unnecessary complexity?
-- Is it robust (no concurrency issues, proper error handling, etc.)?
+- Is it robust (i.e., no concurrency issues, proper error handling, etc.)?
 - Is it performant?
-- Is it secure e.g., no SQL injections, etc?
+- Is it secure (i.e., no SQL injections, etc.)?
-- Is it observable e.g., metrics, logging, tracing, etc.?
+- Is it observable (i.e., metrics, logging, tracing, etc.)?
 - Do newly added dependencies pull their weight? Is their license acceptable?