refactor(data_pipeline): optimize data generation pipeline; add multiple preset configurations for data generation

examples/pipelines/all_configs/Cpalindromicpaths_train.json

@@ -0,0 +1,50 @@
+[
+    {
+        "n": 45
+    },
+    {
+        "n": 5
+    },
+    {
+        "n": 17
+    },
+    {
+        "n": 31
+    },
+    {
+        "n": 9
+    },
+    {
+        "n": 47
+    },
+    {
+        "n": 33
+    },
+    {
+        "n": 11
+    },
+    {
+        "n": 29
+    },
+    {
+        "n": 37
+    },
+    {
+        "n": 7
+    },
+    {
+        "n": 21
+    },
+    {
+        "n": 15
+    },
+    {
+        "n": 35
+    },
+    {
+        "n": 19
+    },
+    {
+        "n": 39
+    }
+]