Add Micro-categories

Micro-categories.-.md

@@ -0,0 +1,163 @@
+The API maps OSM amenities to the following micro-categories that are used by clients for pin icon selection.
+
+The mapping code is [here](https://github.com/teambtcmap/btcmap-api/blob/b357aa372cb65f230e38553ea3bdcc50e9a28c7b/src/rpc/generate_element_icons.rs#L83).
+
+Here are a list of the 110 micro-categories (icons):
+
+- Storefront
+- Business
+- Medical Services
+- School
+- Group
+- Hotel
+- Pets
+- Palette
+- Directions Car
+- Factory
+- Agriculture
+- Computer
+- Spa
+- Local Grocery Store
+- Local Florist
+- Music Note
+- Fitness Center
+- Construction
+- Attractions
+- Home
+- Church
+- Attach Money
+- Diamond
+- Pedal Bike
+- Hardware
+- Currency Exchange
+- Golf Course
+- Paragliding
+- Warehouse
+- Architecture
+- Engineering
+- Tour
+- Design Services
+- Chair
+- Sports
+- Local Printshop
+- Toys
+- Adult Content
+- Games
+- Electrical Services
+- Scuba Diving
+- Pool
+- Surfing
+- Sports Bar
+- Nightlife
+- Directions Boat
+- Roofing
+- Stadium
+- Newspaper
+- Local Taxi
+- Camping
+- Menu Book
+- Smartphone
+- Smoking Rooms
+- Bakery Dining
+- Visibility
+- Photo Camera
+- Wine Bar
+- Liquor
+- Grass
+- Local Mall
+- Cake
+- Watch
+- Two Wheeler
+- Restaurant
+- Lunch Dining
+- Account Balance
+- Local Pharmacy
+- Mic
+- Icecream
+- Child Care
+- Delete
+- Celebration
+- Sports Score
+- Casino
+- Beach Access
+- Park
+- Bedroom Baby
+- Directions Walk
+- Grid View
+- Carpenter
+- Window
+- Balance
+- Cell Tower
+- Translate
+- Chalet
+- Info Outline
+- Museum
+- Cottage
+- Airport Shuttle
+- Content Cut
+- Car Repair
+- Card Giftcard
+- Luggage
+- Vaping Rooms
+- Tapas
+- Local Laundry Service
+- Edit
+- Coffee
+- Emoji Food Beverage
+- Trip Origin
+- Lock
+- Science
+- Videocam
+- Checkroom
+- Outdoor Grill
+- Sailing
+- Local Atm
+- Local Cafe
+- Local Bar
+- Local Gas Station
+- Local Police
+- Local Hospital
+- Local Car Wash
+- Public
+- Local Movies
+- Local Post Office
+- Flight Takeoff
+- Sports Martial Arts
+- Cruelty Free
+- Mail
+- Local Parking
+- Car Rental
+- Kayaking
+- Nature People
+- Videogame Asset
+- Minor Crash
+- Raven
+- Sauna
+- Sports Hockey
+- Dentistry
+- Sports Soccer
+- Kitesurfing
+- Hvac
+- Imagesearch Roller
+- Cleaning Services
+- Electric Bolt
+- Build
+- Cooking
+- Hive
+- Volunteer Activism
+- Potted Plant
+- Plumbing
+- Piano
+- Footprint
+- Shopping Cart
+- Local Pizza
+- Dns
+- Groups
+- Lan
+- Surgical
+- Castle
+- Commute
+- Water Pump
+- Panorama
+- Gate
+- Radar