main: add project links and verbosity hint to CLI help text

Add GitHub repository, documentation, and issue reporting links to the
CLI help epilog, following clig.dev guidelines for including support
paths in help text. Also add a hint about -v/--verbose and -vv/--vverbose
flags for users who want more detailed output.

Closes #1686

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: Xavrir

CHANGELOG.md

@@ -4,6 +4,8 @@
 
 ### New Features
 
+- main: add GitHub, documentation, and issue reporting links to CLI help text @Xavrir #1686
+- main: add verbosity hint to CLI help epilog @Xavrir #1686
 - ghidra: support PyGhidra @mike-hunhoff #2788
 - vmray: extract number features from whitelisted void_ptr parameters (hKey, hKeyRoot) @adeboyedn #2835
 

capa/main.py

@@ -972,6 +972,12 @@ def main(argv: Optional[list[str]] = None):
 
           filter rules by meta fields, e.g. rule name or namespace
             capa -t "create TCP socket" suspicious.exe
+
+        Use -v/--verbose and -vv/--vverbose for increasingly detailed output.
+
+        GitHub:        https://github.com/mandiant/capa
+        Documentation: https://github.com/mandiant/capa/tree/master/doc
+        Report issues: https://github.com/mandiant/capa/issues
          """)
 
     parser = argparse.ArgumentParser(