feat(letsplot): implement bar-basic

Author: github-actions[bot]

plots/letsplot/bar/bar-basic/default.py

@@ -0,0 +1,28 @@
+"""
+bar-basic: Basic Bar Chart
+Library: letsplot
+"""
+
+import pandas as pd
+from lets_plot import LetsPlot, aes, element_text, geom_bar, ggplot, ggsave, ggsize, labs, theme, theme_minimal
+
+
+LetsPlot.setup_html()
+
+# Data
+data = pd.DataFrame(
+    {"category": ["Product A", "Product B", "Product C", "Product D", "Product E"], "value": [45, 78, 52, 91, 63]}
+)
+
+# Plot
+plot = (
+    ggplot(data, aes(x="category", y="value"))
+    + geom_bar(stat="identity", fill="#306998", alpha=0.9)
+    + labs(x="Category", y="Value", title="Basic Bar Chart")
+    + theme_minimal()
+    + theme(plot_title=element_text(size=20), axis_title=element_text(size=20), axis_text=element_text(size=16))
+    + ggsize(1600, 900)
+)
+
+# Save (scale 3x to get 4800 × 2700 px)
+ggsave(plot, "plot.png", path=".", scale=3)