Add option to keep Pokémon cards on one line

Closes #37

The option is in the local config, as users might wish to use
different settings on multiple devices.

src/pokemanki/_version.py

@@ -37,4 +37,4 @@
 Version information
 """
 
-__version__ = "1.5.1"
+__version__ = "1.6.0"

src/pokemanki/config.json

@@ -1,8 +1,9 @@
 {
+    "align_cards": "wrap",
     "gen4_evolutions": true,
     "gen2": true,
     "gen3": true,
     "gen4": true,
     "gen5": true,
     "X_or_Y_mega_evolutions": "X"
-}
+}

src/pokemanki/config.md

@@ -1,2 +1,6 @@
-# Generations
-If you change the generation configs from `true` to `false`, you may need to reset the pokemons or an error may occur.
+- `align_cards` [string]:
+`wrap` to start a new row if Pokémon cards don't fit on one line;
+`hscroll` to keep them on one line and add a horizontal scroll bar
+
+### Generations
+If you change the generation configs from `true` to `false`, you may need to reset the pokemons or an error may occur.

src/pokemanki/display.py

@@ -90,7 +90,13 @@ def _show(
             txt += '<div class="pk-st-single">'
             multi = False
         else:
-            txt += '<div class="pk-st-container">'
+            conf = get_local_conf()
+            card_flow = conf.get("align_cards", "wrap")
+            if card_flow == "wrap":
+                txt += '<div class="pk-st-container">'
+            elif card_flow == "hscroll":
+                txt += '<div class="pk-st-container" style="flex-wrap: nowrap; \
+                        justify-content: flex-start;">'
             multi = True
 
         sortedData = sorted(data, key=lambda k: k[2], reverse=True)