feat: initial commit - Phase 1 & 2 core features

backend/.venv/lib/python3.9/site-packages/sklearn/datasets/tests/data/svmlight_classification.txt

@@ -0,0 +1,9 @@
+# comment
+# note: the next line contains a tab
+1.0 3:2.5 	   11:-5.2 16:1.5 # and an inline comment
+2.0 6:1.0 13:-3 
+# another comment
+3.0 21:27
+4.0 2:1.234567890123456e10 # double precision value
+1.0     # empty line, all zeros
+2.0 3:0 # explicit zeros

backend/.venv/lib/python3.9/site-packages/sklearn/datasets/tests/data/svmlight_invalid.txt

@@ -0,0 +1,3 @@
+python 2:2.5 10:-5.2 15:1.5
+2.0 5:1.0 12:-3
+3.0 20:27

backend/.venv/lib/python3.9/site-packages/sklearn/datasets/tests/data/svmlight_invalid_order.txt

@@ -0,0 +1 @@
+-1 5:2.5 2:-5.2 15:1.5