leverage Fig's shell parser, add git spec (#240001)

Co-authored-by: Daniel Imms <Tyriar@users.noreply.github.com>
Co-authored-by: Daniel Imms <2193314+Tyriar@users.noreply.github.com>

extensions/terminal-suggest/fixtures/shell-parser/multipleStatements/input.sh

@@ -0,0 +1,47 @@
+### Case 1
+a && b
+
+### Case 2
+a || b
+
+### Case 3
+a | b
+
+### Case 4
+a |& b
+
+### Case 5
+(a; b)
+
+### Case 6
+(a; b;)
+
+### Case 7
+{a; b}
+
+### Case 8
+{a; b;}
+
+### Case 9
+a; b
+
+### Case 10
+a & b
+
+### Case 11
+a &; b
+
+### Case 12
+a ; b;
+
+### Case 13
+a && b || c
+
+### Case 14
+a && b | c
+
+### Case 15
+a | b && c
+
+### Case 16
+(a) | b && c