Implement default best-yield resource and long-press resource selection for city slots

config/strings_en.yaml

@@ -55,6 +55,11 @@ ui:
     farm_completed: "Farm completed!"
     farm_completed_consumed: "Farm completed! (Builder consumed)"
     farm_completed_charges: "Farm completed! (%1 %2 remaining)"
+    road_queued: "Build Road queued on arrival"
+    road_started: "Constructing %1... (%2 ticks)"
+    road_completed: "%1 completed!"
+    road_already_here: "Tile already has a road!"
+    cannot_build_road_water: "Roads cannot be built on water!"
     city_queued: "Found City queued on arrival"
     city_founded: "%1 founded!"
     already_building: "Already busy building!"
@@ -88,12 +93,18 @@ ui:
     btn_build_farm: "Farm [F]"
     btn_farm_queued: "Farm (Queued)"
     btn_farm_building: "Building %1%"
+    btn_build_road: "Road [R]"
+    btn_road_queued: "Road (Queued)"
+    btn_road_building: "Road %1%"
     tip_move: "Move (M)"
     tip_attack: "Attack (A) [Range: %1]"
     tip_build_city: "Found City (B)"
     tip_build_farm: "Build Farm (F)"
     tip_farm_building: "Busy building... %1%"
     tip_farm_queued: "Build Farm (Queued on arrival - click to cancel)"
+    tip_build_road: "Build Road (R) [2 ticks]"
+    tip_road_building: "Constructing road... %1%"
+    tip_road_queued: "Build Road (Queued on arrival - click to cancel)"
 
   city:
     center: "City Center"
@@ -104,7 +115,7 @@ ui:
     close_btn: "[X] Close"
     local_info: "Local: Population: %L1 (%2 Pop: %3 working, %4 free)  |  Labor: %L5"
     national_info: "National: Culture: %L1  |  Science: %L2  |  Gold: %L3  |  Faith: %L4"
-    help_text: "Click a tile to assign 1 Pop | Click an unowned tile to buy with Culture."
+    help_text: "Click a slot to assign/free Pop | Hold a slot to choose resource | Buy tile with Culture."
     current_production: "CURRENT PRODUCTION"
     no_project: "No active project"
     select_prompt: "Select a unit or building to construct"
@@ -132,3 +143,16 @@ ui:
     no_free_pop: "No free Pop!"
     buy_tile: "BUY"
     occupied: "OCCUPIED"
+    select_resource: "SELECT RESOURCE"
+    best_yield: "BEST"
+    resource_switched: "Producing %1 (+%2)"
+    worker_assigned_res: "+1 Pop: %1 (+%2)"
+    resource_preferred: "Slot set to %1 (+%2)"
+
+  resources:
+    voedsel: "Food"
+    arbeid: "Production"
+    goud: "Gold"
+    kennis: "Science"
+    cultuur: "Culture"
+    geloof: "Faith"