New tests and his starting scripts

lab1/configs/tune_char_narrow.toml

@@ -0,0 +1,13 @@
+# Более короткие char n-граммы, меньше признаков, строже min_df.
+
+[cv]
+folds = 5
+repeats = 3
+seed = 42
+
+[features]
+char_ngram_range = [2, 4]
+char_max_features = 3000
+pos_ngram_range = [1, 3]
+pos_max_features = 500
+min_df = 5