Refactor README.md for command-line options formatting

- Standardized spacing in the options section for improved readability.
- Ensured consistent formatting across all command-line option descriptions.

Author: mununki

README.md

@@ -31,14 +31,14 @@ dune build --profile static
 rescriptdep [options] files_or_dirs
 
 # Options
-# -o, --output <file>     : Output file (default: stdout)
-# -f, --format <format>   : Output format (dot, json)
-# -m, --module <name>     : Focus on specific module and its dependencies
-# -v, --verbose           : Enable verbose output
-# -b, --benchmark         : Enable performance benchmarking
-# --no-cache              : Skip using cache
-# --clear-cache           : Clear the cache before analyzing
-# -nd, --no-dependents    : Find modules that have no dependents (not imported by any other modules)
+# -o, --output <file>         : Output file (default: stdout)
+# -f, --format <format>       : Output format (dot, json)
+# -m, --module <name>         : Focus on specific module and its dependencies
+# -v, --verbose               : Enable verbose output
+# -b, --benchmark             : Enable performance benchmarking
+# --no-cache                  : Skip using cache
+# --clear-cache               : Clear the cache before analyzing
+# -nd, --no-dependents        : Find modules that have no dependents (not imported by any other modules)
 # -vb, --value-binding <name> : Count usage of a value binding (by name) across the project (in the module itself and all dependents; requires -m)
 # -vl, --value-line <line>    : Line number of the value binding (1-based, for disambiguation when multiple bindings have the same name; use with -vb)
 ```