feat: Simplification of UI and icons creation

public/locales/en.json

@@ -29,14 +29,14 @@
     "marketingInfo": "Level {level} → demand ×{multiplier} · {cost}",
     "owned": "Owned: {count}",
     "rateEach": "{rate}/s each",
-    "buyN": "Buy ×{count}",
     "upgradeCount": "{owned} / {total}",
     "hintDemand": "At this price customers want {demand}/s; you make {production}/s.",
     "hintDemandOnly": "At this price customers want {demand}/s.",
     "marketShort": "Demand outpaces your output: you are selling too cheap.",
     "marketLong": "You make more than customers want: stock piles up. Try a lower price.",
     "marketBalanced": "Supply and demand are about even.",
-    "menu": "Menu"
+    "menu": "Menu",
+    "clickToBuy": "Click a block to buy it."
   },
   "effect": {
     "click_mult": "Manual work ×{value}",
@@ -91,7 +91,6 @@
     "tabUnlocked": "New section unlocked: {name}",
     "contractDone": "Contract complete! {reward}",
     "contractFailed": "Contract failed: time ran out.",
-    "eventOpportunity": "Opportunity: {title}! Seize it in the Contracts tab.",
     "eventIncident": "Incident: {title}",
     "achievement": "Achievement: {title}",
     "restarted": "A new run begins! +{gain} {@theme.res.legacy}"
@@ -125,11 +124,11 @@
     "amountLabel": "Amount per trade (share of your funds when buying, of the holding when selling)",
     "amount": "Amount per trade",
     "nextUpdate": "Next price update in {seconds} s",
-    "buy": "Buy",
     "sell": "Sell",
     "priceLine": "Price {price} ({gap} vs fair value)",
     "heldLine": "Held: {value} ({profit})",
-    "heldNone": "Nothing held"
+    "heldNone": "Nothing held",
+    "clickToBuy": "Click to buy"
   },
   "gamble": {
     "intro": "{@theme.res.chips} are hard to buy and harder to keep. Stake some on a cycle: win and the stake doubles, hit a jackpot and it multiplies, lose and it is gone, crash and you lose even more. They also boost demand.",
@@ -311,7 +310,6 @@
     "perLevel": "Each level: {effect}",
     "total": "Now: {effect}",
     "none": "No level yet",
-    "buy": "Buy ×{count}",
     "maxed": "Maxed",
     "name": {
       "generator": "{target} overhaul",