Release 2.3.0

Summary of changes

• a0ab88e 🐛 Fix handling of URL-ish paths on Windows; Resolves #335
• f16b438 ✨ --log to capture output to log file
• 3b7420a ✨ 🐛 improve consistency of rollable tables; resolves #324
• 0ac398d 📝 Fix double negative
• c703802 📝 auto-generated example update
• d1aceac 🐛 Fix rendering of weapon bonus on magic variants; resolves #325
• 4caba40 🐛 Don't map id/source for adventures; resolves #328
• 5b3e273 📝 🐛 Fix config example
• 8117d9c ✨ Setting to copy remote images
• 7d05d5b 🎨 📝 mirror-2 (remove mirror-1 entirely)
• 6608e7b 🐛 Behave well when HP and ability scores are missing
• 94a8f61 🔥 🎨 ♻️ Handle remote image location (mirror2); resolves #331
• 4c48564 ♻️ 🎨 prep for mirror 2; tests & path checking
• ebec716 📝 More detail in Contributing
• a71c901 📝 Update CONTRIBUTING.md
• 65531c2 📝 wording tweak
• b39742f 📝 clean up install instructions
• 73ceac2 📝 Add section on homebrew package manager
• 06a5e36 📝 Doc/index fixes
• 5fcaacd 📝 update config TOC
• 95557da 📝 Update README-WINDOWS.md
• bd1bd3f 🐛 Handle book id & source when not the same; Resolves #320
• 9721628 🐛 Add missing alignments; resolves #276
• b628546 Update README.md
• cf275a7 📝 Update README.md