OTC Meds are now grid based and search text filtered

• OtcPage using table instead of MedicineListGroup …
• Added Log button stack to the ListGroup
• ♻️ Refactored into its own component …
• Add Search mad Validation
• Fix 🔧 a minor linting problem
• 💄 UI for OtcPage changed to list 📜 OTC drugs in a table
• Merge pull request #67 from RyanNerd/otcpage-using-table
• ♻️ Refactor all useEffect in App to Observers 🔭
• 💥 Removal of Search box from MedicinePage
• ♻️ When a new client is added make that client active