Work on macro binding generation, some cleanup needed, rename runner to plugin

crates/plugin_runtime/plugin/cargo_test.lua

@@ -0,0 +1,16 @@
+query = [[(
+    (attribute_item
+        (meta_item
+            (identifier) @test)) @attribute
+    .
+    (function_item
+        name: (identifier) @name) @funciton
+)]]
+
+function run_test(name)
+    local command = 'cargo test -- ' .. name
+    local openPop = assert(io.popen(command, 'r'))
+    local output = openPop:read('*all')
+    openPop:close()
+    return output
+end